It's a composite component which just holds a command button. I have removed it, and it behaves the same way:
<h:form id="listForm">
<h:dataTable value="#{beanService.actorsForClientList}" var="entity" >
<h:column>
<f:facet name="header">ID</f:facet>
#{entity.id}
</h:column>
<h:column>
<f:facet name="header">Action</f:facet>
<h:commandButton value="Delete" action="#{entity.delete}" />
</h:column>
</h:dataTable>
</h:form>
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