Sandbox: https://codesandbox.io/s/cranky-kapitsa-op3jh

Repro: type "a" and then after a second "b"

Expected: Eventually you'll see "ab" in all fields. Pending "..." indicator goes away.

Actual: You'll keep seeing "a" in low pri field. Pending "..." indicator is stuck.
} else {
            if (callback == null) {
              listenerMap.delete(target);
              unmountHostEventListener(listener);
              return;
            }
            listener.callback = callback;
          }
          mountHostEventListener(listener);
        }
      },
    };
    
    
    
    
    currentlyRenderingFiber.effectTag |= UpdateEffect;
    pushEffect(NoHookEffect, noOpMount, clear, null);
    hook.memoizedState = [reactListenerMap, event, clear];
    return reactListenerMap;
  }
  
  return (undefined: any);
}
function updateEventListener(event: ReactListenerEvent): ReactListenerMap {
  if (enableUseEventAPI) {
    const hook = updateWorkInProgressHook();
    const [reactListenerMap, memoizedEvent, clear] = hook.memoizedState;
    if (__DEV__) {
      if (memoizedEvent.type !== event.type) {