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

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
current: Fiber,
  workInProgress: Fiber,
  renderExpirationTime: ExpirationTime,
) {
   
  workInProgress.memoizedState = null;
   
  const nextProps = workInProgress.pendingProps;
  const nextChildren = nextProps.children;
   
   
   
  reconcileChildren(
    current,
    workInProgress,
    nextChildren,
    renderExpirationTime,
  );
  return workInProgress.child;
}
function mountDehydratedSuspenseComponent(