fix errors while using draggable during mobile scrolling

jquery.ui.touch-punch.js

@@ -69,7 +69,10 @@
       return;
     }
 
+    // Prevent "Ignored attempt to cancel a touchmove event with cancelable=false" errors
+    if (event.cancelable) {
       event.preventDefault();
+    }
 
     var touch = event.originalEvent.changedTouches[0],
         simulatedEvent = document.createEvent('MouseEvents');