Use pepjs instead of our own pointerevent polyfill

src/ol/events/Target.js

@@ -82,7 +82,9 @@ class Target extends Disposable {
   dispatchEvent(event) {
     const evt = typeof event === 'string' ? new Event(event) : event;
     const type = evt.type;
-    evt.target = this;
+    if (!evt.target) {
+      evt.target = this;
+    }
     const listeners = this.listeners_[type];
     let propagate;
     if (listeners) {

src/ol/events/condition.js

@@ -207,7 +207,7 @@ export const shiftKeyOnly = function(mapBrowserEvent) {
  * @api
  */
 export const targetNotEditable = function(mapBrowserEvent) {
-  const target = mapBrowserEvent.originalEvent.target;
+  const target = mapBrowserEvent.target;
   const tagName = /** @type {Element} */ (target).tagName;
   return (
     tagName !== 'INPUT' &&