Display loading view when changing page size

src/UI/AddMovies/BulkImport/BulkImportView.js

@@ -52,6 +52,7 @@ module.exports = Marionette.Layout.extend({
 		},
 
 		_pageSizeChanged : function(event) {
+			this.table.show(new LoadingView());
 			var pageSize = parseInt($(event.target).val());
 			this.bulkImportCollection.fullCollection.reset();
 			this.bulkImportCollection.reset();