Disable Chosen.js for the rule field, again (#12877)

* Revert the check for instance type of data-chosen, to allow to disable Chosen for field with data-chosen="true"

* Add some explanation

media/jui/js/chosen.jquery.js

@@ -7,6 +7,7 @@ Full source at https://github.com/harvesthq/chosen
 Copyright (c) 2011-2016 Harvest http://getharvest.com
 
  Modified for Joomla! UI:
+ - revert the check for instance type of data-chosen, to allow to disable Chosen for field with data-chosen="true", @see https://github.com/joomla/joomla-cms/pull/12877
  - rename the css and javascript classes and functions to revert back to using chzn and liszt
  - fix zero width, based on https://github.com/harvesthq/chosen/pull/1439
  - allow to add a custom value on fly, based on https://github.com/harvesthq/chosen/pull/749
@@ -593,9 +594,21 @@ This file is generated by `grunt build`, do not edit it by hand.
           }
           return;
         }
+        /*<JUI>*/
+        /*
+          This changes allow to prevent Chosen.js initialization for <select> field by adding data-chosen="true" to this tag,
+          we need it because in a lot layouts Joomla! applies Chosen.js to all <select> on the page.
+          @see https://github.com/joomla/joomla-cms/pull/12877
+        */
+        /* Original:
         if (!(chosen instanceof Chosen)) {
           $this.data('chosen', new Chosen(this, options));
         }
+        */
+        if (!chosen) {
+          $this.data('chosen', new Chosen(this, options));
+        }
+        /*</JUI>*/
       });
     }
   });