Repro: https://codesandbox.io/s/fast-water-4i4jb

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
workInProgress.dependencies = current.dependencies;
  }
  if (enableProfilerTimer) {
     
    stopProfilerTimerIfRunning(workInProgress);
  }
  const updateExpirationTime = workInProgress.expirationTime;
  if (updateExpirationTime !== NoWork) {
    markUnprocessedUpdateTime(updateExpirationTime);
  }
   Check if the children have any pending work.
  const childExpirationTime = workInProgress.childExpirationTime;
  if (childExpirationTime < renderExpirationTime) {
     
     
     
    return null;
  } else {
     
     
    cloneChildFibers(current, workInProgress);
    return workInProgress.child;
  }
}
function remountFiber(
  current: Fiber,
  oldWorkInProgress: Fiber,
  newWorkInProgress: Fiber,
): Fiber | null {