Make chosen work on mobile https://realize.be/blog/mobile-support-chosen

web/skins/classic/js/chosen/chosen.jquery.js

@@ -624,6 +624,7 @@ This file is generated by `grunt build`, do not edit it by hand.
       if ("Microsoft Internet Explorer" === window.navigator.appName) {
         return document.documentMode >= 8;
       }
+      return true;
       if (/iP(od|hone)/i.test(window.navigator.userAgent)
         ||
         /IEMobile/i.test(window.navigator.userAgent)
@@ -896,7 +897,7 @@ This file is generated by `grunt build`, do not edit it by hand.
         return;
       }
       if (evt && ((ref = evt.type) === 'mousedown' || ref === 'touchstart') && !this.results_showing) {
-        evt.preventDefault();
+        //evt.preventDefault();
       }
       if (!((evt != null) && ($(evt.target)).hasClass("search-choice-close"))) {
         if (!this.active_field) {