Update meta-boxes.js

Add filter options to product gallery images selector to make visible filters of plugins such as the Enhanced Media Library

assets/js/admin/meta-boxes.js

@@ -1508,7 +1508,13 @@ jQuery( function($){
 			button: {
 				text: $el.data('update'),
 			},
-			multiple: true
+			multiple: true,
+			states : [
+				new wp.media.controller.Library({
+					title: $el.data('choose'),
+					filterable :	'all'
+				})
+			]
 		});
 
 		// When an image is selected, run a callback.
@@ -1584,4 +1590,4 @@ jQuery( function($){
 
 			return false;
 		});
-});
+});