backoffice: update data-multi-values attribute on criteria change (#84748)

@@ -526,3 +526,3 @@
-            $copy.find('select').val('').trigger('change');
             values = values.filter(item => item !== value)
             if($value_select.length) {
+              $value_select.attr('data-multi-values', values.join('|'));

@@ -531,3 +531,4 @@
                 .attr('value', values.join('|'));
             }
             else {
+              $copy.find('select').val('').trigger('change');