Workaround: regression primefaces/primefaces#13223

Author: lprimak

emailmanager/hope-website/testDateField.xhtml

@@ -58,12 +58,12 @@
                     <f:facet name="filter">
                         <p:selectCheckboxMenu onchange="PF('birthdayTable').filter()"
                                               label="Select">
-                            <f:selectItem itemValue="0"/>
-                            <f:selectItem itemValue="1"/>
-                            <f:selectItem itemValue="2"/>
-                            <f:selectItem itemValue="3"/>
-                            <f:selectItem itemValue="4"/>
-                            <f:selectItem itemValue="5"/>
+                            <f:selectItem itemValue="0" itemLabel="0"/>
+                            <f:selectItem itemValue="1" itemLabel="1"/>
+                            <f:selectItem itemValue="2" itemLabel="2"/>
+                            <f:selectItem itemValue="3" itemLabel="3"/>
+                            <f:selectItem itemValue="4" itemLabel="4"/>
+                            <f:selectItem itemValue="5" itemLabel="5"/>
                         </p:selectCheckboxMenu>
                     </f:facet>
                     <h:outputText value="#{birthday.id}"/>