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.
if (!supportsMutation) {
    return;
  }
   
  const parentFiber = getHostParentFiber(finishedWork);
   
  let parent;
  let isContainer;
  const parentStateNode = parentFiber.stateNode;
  switch (parentFiber.tag) {
    case HostComponent:
      parent = parentStateNode;
      isContainer = false;
      break;
    case HostRoot:
      parent = parentStateNode.containerInfo;