Fix for split button issue

Author: VladimirZaets

app/code/Magento/Ui/view/base/web/js/grid/controls/button/split.js

@@ -0,0 +1,17 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'jquery'
+], function ($) {
+    'use strict';
+
+    return function (data, element) {
+
+        $(element).on('click.splitDefault', '.action-default', function () {
+            $(this).siblings('.dropdown-menu').find('.item-default').trigger('click');
+        });
+    };
+});