Load appropriate slider widget on demand to improve performance

Fix static tests

Author: ihor-sviziev

lib/web/mage/touch-slider.js

@@ -6,7 +6,7 @@
 define([
     'jquery',
     'underscore',
-    'jquery-ui-modules/slider',
+    'jquery-ui-modules/slider'
 ], function ($, _) {
     'use strict';