Add support for editor toolbar buttons to have action widgets

core/ui/EditTemplate/body-toolbar-button.tid

@@ -39,6 +39,7 @@ title: $:/core/ui/EditTemplate/body/toolbar/button
 
   class="tc-btn-invisible $(buttonClasses)$"
   tooltip=<<tooltip-text>>
+  actions={{!!actions}}
 
 ><span
 
@@ -65,6 +66,7 @@ title: $:/core/ui/EditTemplate/body/toolbar/button
   class="tc-popup-keep tc-btn-invisible $(buttonClasses)$"
   selectedClass="tc-selected"
   tooltip=<<tooltip-text>>
+  actions={{!!actions}}
 
 ><span