JS: put back 'combo:cellform-reloaded' event trigger (#63567)

combo/manager/static/js/combo.manager.js

@@ -311,6 +311,8 @@ $(function() {
             } else {
               $cell.find('.invalid').remove();
             }
+            
+            $form.parents('div.cell').trigger('combo:cellform-reloaded');
 
             // select first panel with errors (if any)
             const $current_tab = $form.find('[role=tabpanel]:not([hidden])');