React version: 18.3.0-next-3ba7add60-20221201

Hard to reproduce.

In Next.js, in rare cases, and only after a fast refresh, the ref object when using forwardRef is simply `{}`.

This leads to the `TypeError: can't define property "current": Object is not extensible` error when used with `useImperativeHandle`.

```tsx
function Parent() {
  const carouselRef = useRef<any>();

  return <Suspense><Carousel ref={carouselRef} /></Suspense>
}

const Carousel = forwardRef((props, ref) => {
  if (!('current' in ref)) { debugger; }
  const thing = use(aPromise);
  return ...;
});
```

![Screenshot 2023-03-17 at 18 49 21](https://user-images.githubusercontent.com/5406212/225981809-22f575fa-0ec7-4f94-ae23-bffc8bf7c4dd.png)

In `updateImperativeHandle`, the ref is already an empty object.

![Screenshot 2023-03-17 at 19 13 13](https://user-images.githubusercontent.com/5406212/225985622-b8512a61-3a6b-4958-b63f-277219d4c816.png)

I haven't investigated it further yet, the stacktraces are quite hard to follow.
} from '.ReactFiberAct';
import {processTransitionCallbacks} from '.ReactFiberTracingMarkerComponent';
import {
  SuspenseException,
  SuspenseyCommitException,
  getSuspendedThenable,
  isThenableResolved,
} from '.ReactFiberThenable';
import {schedulePostPaintCallback} from '.ReactPostPaintCallback';
import {
  getSuspenseHandler,
  getShellBoundary,
} from '.ReactFiberSuspenseContext';
import {resolveDefaultProps} from '.ReactFiberLazyComponent';
import {resetChildReconcilerOnUnwind} from '.ReactChildFiber';
import {
  ensureRootIsScheduled,
  flushSyncWorkOnAllRoots,
  flushSyncWorkOnLegacyRootsOnly,
  getContinuationForRoot,
} from '.ReactFiberRootScheduler';
const ceil = Math.ceil;
const PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map;
const {
  ReactCurrentDispatcher,
  ReactCurrentCache,
  ReactCurrentOwner,
  ReactCurrentBatchConfig,
  ReactCurrentActQueue,
} = ReactSharedInternals;