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.
useEffect(() => {
          Scheduler.unstable_yieldValue('Passive effect');
        });
        return <Text text="Passive" />;
      }
      function LayoutEffect(props) {