Merge pull request #8631 from thenbrent/add_variation_action_ajax_data

[2.4] Trigger do_variation_action + '_ajax_data'

assets/js/admin/meta-boxes-product-variation.js

@@ -666,6 +666,7 @@ jQuery( function( $ ) {
 					break;
 				default :
 					$( 'select.variation_actions' ).trigger( do_variation_action );
+					data = $( 'select.variation_actions' ).triggerHandler( do_variation_action + '_ajax_data', data );
 					break;
 			}