fix: event timeStamp check for Qt

fix vuejs#9681

Author: yyx990803

src/platforms/web/runtime/modules/events.js

@@ -67,8 +67,10 @@ function add (
         e.target === e.currentTarget ||
         // event is fired after handler attachment
         e.timeStamp >= attachedTimestamp ||
-        // #9462 bail for iOS 9 bug: event.timeStamp is 0 after history.pushState
-        e.timeStamp === 0 ||
+        // bail for environments that have buggy event.timeStamp implementations
+        // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
+        // #9681 QtWebEngine event.timeStamp is negative value
+        e.timeStamp <= 0 ||
         // #9448 bail if event is fired in another document in a multi-page
         // electron/nw.js app, since event.timeStamp will be using a different
         // starting reference