small fix to always save layout

Author: davetcc

embedCONTROLCore/src/main/java/com/thecoderscorner/embedcontrol/customization/formbuilder/FormEditorController.java

@@ -195,6 +195,7 @@ public void onSaveLayout(ActionEvent actionEvent) {
     }
 
     public void onMenuChangeButton(ActionEvent actionEvent) {
+        onSaveLayout(null);
         var formProperties = new FormEditorPropertiesPresentable(itemStore, this, navMgr);
         navMgr.pushNavigation(formProperties);
     }