fix: ios devices do not trigger click events on 'non-clickable' elements (#1634)

* Fix for issue #1503 -> ios devices do not trigger click events on 'non-clickable' elements

* Removed package-lock.json

Author: csteeg

src/core/utils/MdObserveEvent.js

@@ -2,7 +2,10 @@ export default (el, eventName, observerFn, options) => {
   function killObserver () {
     el.removeEventListener(eventName, observerFn)
   }
-
+  
+  //fix click event for ios devices: https://stackoverflow.com/questions/3705937/document-click-not-working-correctly-on-iphone-jquery/17490775
+  eventName && eventName.indexOf('click') >= 0 && /iP/i.test(navigator.userAgent) && (el.style.cursor = 'pointer');
+  //
   el.addEventListener(eventName, observerFn, options || false)
 
   return {