If you have `memo(forwardRef(X))`, then the inner component won't have a "rendered by" list. This is because it technically doesn't have an owner. It is artificial.

I think we should ideally set up `_debugOwner` for these Fibers in DEV just so existing tooling can find them. Or special case them in DevTools.
if (current === null) {
    
    
    
    if (nextProps.fallback !== undefined) {
      tryToClaimNextHydratableInstance(workInProgress);
      
      if (enableSuspenseServerRenderer) {
        const suspenseState: null | SuspenseState =
          workInProgress.memoizedState;
        if (suspenseState !== null) {
          const dehydrated = suspenseState.dehydrated;
          if (dehydrated !== null) {
            return mountDehydratedSuspenseComponent(