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.
node = (node: Fiber);
      if (node === workInProgress) {
        return;
      }
      while (node.sibling === null) {
        if (node.return === null || node.return === workInProgress) {
          return;
        }
        node = node.return;
      }
      node.sibling.return = node.return;
      node = node.sibling;
    }
  };
  updateHostContainer = function(current: null | Fiber, workInProgress: Fiber) {
    const portalOrRoot: {
      containerInfo: Container,
      pendingChildren: ChildSet,
      ...
    } = workInProgress.stateNode;
    const childrenUnchanged = hadNoMutationsEffects(current, workInProgress);
    if (childrenUnchanged) {
      
    } else {
      const container = portalOrRoot.containerInfo;
      const newChildSet = createContainerChildSet(container);
      
      appendAllChildrenToContainer(newChildSet, workInProgress, false, false);
      portalOrRoot.pendingChildren = newChildSet;