chore(html): correct context-menu template

Author: zhpenkov

packages/html/src/context-menu/templates/context-menu-normal.tsx

@@ -3,13 +3,11 @@ import { MenuListItem } from "../..";
 
 export const ContextMenuNormal = (props) => (
     <ContextMenu
-        children={
-            <>
-                <MenuListItem text="Item 1" showArrow />
-                <MenuListItem text="Item 2" />
-                <MenuListItem text="Item 3" />
-            </>
-        }
+        children={[
+            <MenuListItem key="menu-item-1" text="Item 1" showArrow />,
+            <MenuListItem key="menu-item-2" text="Item 2" />,
+            <MenuListItem key="menu-item-3" text="Item 3" />
+        ]}
         {...props}
     />
 );