FIX: since stuff is unbound in the list we must issue a refresh on all bulk actions

Otherwise when you recategorize stuff will look as though its in the wrong category

app/assets/javascripts/discourse/controllers/topic-bulk-actions.js.es6

@@ -60,6 +60,8 @@ export default Ember.ArrayController.extend(ModalFunctionality, {
     this.perform(operation).then(function (topics) {
       if (topics) {
         topics.forEach(cb);
+        const refreshTarget = self.get('refreshTarget');
+        if (refreshTarget) { refreshTarget.send('refresh'); }
         self.send('closeModal');
       }
     });