chore: update visual previews

Author: kendo-bot

tests/_output/bootstrap/pager/pager.png

@@ -313,14 +313,14 @@
         <section>
             <div class="k-pager k-pager-md k-disabled">
                 <div class="k-pager-numbers-wrap">
-                    <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                    <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-to-left">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                 <path d="M352 384 160 256l192-128zM128 128v256h32V128z"></path>
                             </svg>
                         </span>
                     </button>
-                    <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                    <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-left">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                 <path d="m160 256 192-128v256z"></path>
@@ -398,14 +398,14 @@
         <section>
             <div class="k-pager k-pager-md k-disabled">
                 <div class="k-pager-numbers-wrap">
-                    <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                    <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-to-left">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                 <path d="M352 384 160 256l192-128zM128 128v256h32V128z"></path>
                             </svg>
                         </span>
                     </button>
-                    <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                    <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-left">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                 <path d="m160 256 192-128v256z"></path>
@@ -761,14 +761,14 @@
         <section>
             <div dir="rtl" class="k-pager k-pager-md k-disabled">
                 <div class="k-pager-numbers-wrap">
-                    <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                    <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-to-right">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                 <path d="m128 128 192 128-192 128zm224 256V128h-32v256z"></path>
                             </svg>
                         </span>
                     </button>
-                    <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                    <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-right">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                 <path d="M352 256 160 384V128z"></path>
@@ -846,14 +846,14 @@
         <section>
             <div dir="rtl" class="k-pager k-pager-md k-disabled">
                 <div class="k-pager-numbers-wrap">
-                    <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                    <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-to-right">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                 <path d="m128 128 192 128-192 128zm224 256V128h-32v256z"></path>
                             </svg>
                         </span>
                     </button>
-                    <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                    <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-right">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                 <path d="M352 256 160 384V128z"></path>

tests/_output/bootstrap/pdf-viewer/pdf-viewer-blank-page.png

@@ -24,14 +24,14 @@
             <div class="k-toolbar k-toolbar-md k-toolbar-resizable">
                 <div class="k-pager k-pager-md k-disabled">
                     <div class="k-pager-numbers-wrap">
-                        <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                        <button class="k-pager-nav k-pager-first k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                             <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-to-left">
                                 <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                     <path d="M352 384 160 256l192-128zM128 128v256h32V128z"></path>
                                 </svg>
                             </span>
                         </button>
-                        <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-disabled k-icon-button">
+                        <button class="k-pager-nav k-button k-button-md k-button-flat k-button-flat-base k-icon-button">
                             <span class="k-button-icon k-icon k-svg-icon k-svg-i-caret-alt-left">
                                 <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
                                     <path d="m160 256 192-128v256z"></path>
@@ -62,7 +62,7 @@
                     </div>
                 </div>
                 <span class="k-spacer"></span>
-                <div class="k-toolbar-button-group  k-button-group k-button-group-solid">
+                <div class="k-toolbar-button-group  k-button-group k-button-group-flat">
                     <button class="k-group-start k-button k-button-md k-button-flat k-button-flat-base k-rounded-md k-disabled k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-zoom-out">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
@@ -88,7 +88,7 @@
                         </span>
                     </button>
                 </span>
-                <div class="k-toolbar-button-group  k-button-group k-button-group-solid">
+                <div class="k-toolbar-button-group  k-button-group k-button-group-flat">
                     <button class="k-group-start k-button k-button-md k-button-flat k-button-flat-base k-rounded-md k-disabled k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-pointer">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">

tests/_output/classic/pager/pager.png

@@ -59,7 +59,7 @@
                     </div>
                 </div>
                 <span class="k-spacer"></span>
-                <div class="k-toolbar-button-group  k-button-group k-button-group-solid">
+                <div class="k-toolbar-button-group  k-button-group k-button-group-flat">
                     <button class="k-group-start k-button k-button-md k-button-flat k-button-flat-base k-rounded-md k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-zoom-out">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
@@ -92,7 +92,7 @@
                         </span>
                     </button>
                 </span>
-                <div class="k-toolbar-button-group  k-button-group k-button-group-solid">
+                <div class="k-toolbar-button-group  k-button-group k-button-group-flat">
                     <button class="k-group-start k-button k-button-md k-button-flat k-button-flat-base k-rounded-md k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-pointer">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">

tests/_output/classic/pdf-viewer/pdf-viewer-blank-page.png

@@ -59,7 +59,7 @@
                     </div>
                 </div>
                 <span class="k-spacer"></span>
-                <div class="k-toolbar-button-group  k-button-group k-button-group-solid">
+                <div class="k-toolbar-button-group  k-button-group k-button-group-flat">
                     <button class="k-group-start k-button k-button-md k-button-flat k-button-flat-base k-rounded-md k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-zoom-out">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
@@ -92,7 +92,7 @@
                         </span>
                     </button>
                 </span>
-                <div class="k-toolbar-button-group  k-button-group k-button-group-solid">
+                <div class="k-toolbar-button-group  k-button-group k-button-group-flat">
                     <button class="k-group-start k-button k-button-md k-button-flat k-button-flat-base k-rounded-md k-icon-button">
                         <span class="k-button-icon k-icon k-svg-icon k-svg-i-pointer">
                             <svg aria-hidden="true" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">