LibWeb: Set timestamp for DOM Events

Author: https://github.com/shannonbooth
Commit: ccd16c847e
Pull-request: https://github.com/SerenityOS/serenity/pull/23935

Userland/Libraries/LibWeb/DOM/Document.cpp

@@ -1661,10 +1661,9 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Event>> Document::create_event(StringView i
     // NOTE: These are done in the if-chain above
     // 5. Let event be the result of creating an event given constructor.
     // 6. Initialize event’s type attribute to the empty string.
+    // 7. Initialize event’s timeStamp attribute to the result of calling current high resolution time with this’s relevant global object.
     // NOTE: This is handled by each constructor.
 
-    // FIXME: 7. Initialize event’s timeStamp attribute to the result of calling current high resolution time with this’s relevant global object.
-
     // 8. Initialize event’s isTrusted attribute to false.
     event->set_is_trusted(false);