Functional `ref` prop throws a `Maximum update depth exceeded` error when suspending.

React version: `18.0.0-alpha-464f27572-20210713`

## Steps To Reproduce

1. Click on the `suspend` button: https://codesandbox.io/s/ref-set-too-many-times-jm0c3?file=/src/App.js.

## The current behavior

Clicking on the `suspend` button throws a `Maximum update depth exceeded` error.

## The expected behavior

Clicking on the `suspend` button suspends.
subtreeRoot: Fiber,
  root: FiberRoot,
  committedLanes: Lanes,
) {
  
  const isModernRoot = (subtreeRoot.mode & ConcurrentMode) !== NoMode;
  while (nextEffect !== null) {
    const fiber = nextEffect;
    const firstChild = fiber.child;
    if (
      enableSuspenseLayoutEffectSemantics &&
      fiber.tag === OffscreenComponent &&
      isModernRoot
    ) {
       
      const isHidden = fiber.memoizedState !== null;
      const newOffscreenSubtreeIsHidden = isHidden || offscreenSubtreeIsHidden;
      if (newOffscreenSubtreeIsHidden) {
         
        commitLayoutMountEffects_complete(subtreeRoot, root, committedLanes);
        continue;
      } else {
         
        const current = fiber.alternate;
        const wasHidden = current !== null && current.memoizedState !== null;
        const newOffscreenSubtreeWasHidden =
          wasHidden || offscreenSubtreeWasHidden;
        const prevOffscreenSubtreeIsHidden = offscreenSubtreeIsHidden;
        const prevOffscreenSubtreeWasHidden = offscreenSubtreeWasHidden;