MAGETWO-85708: Zoom the image can't be closed by iPhone with Safari browser

Author: VladimirZaets

lib/web/fotorama/fotorama.js

@@ -1218,6 +1218,14 @@ fotoramaVersion = '4.6.4';
     }
 
     function stubEvent($el, eventType) {
+        var isIOS = /iP(ad|hone|od)/i.test(window.navigator.userAgent);
+
+        if (isIOS && eventType === 'touchend') {
+            $el.on('touchend', function(e){
+                $DOCUMENT.trigger('mouseup', e);
+            })
+        }
+
         $el.on(eventType, function (e) {
             stopEvent(e, true);