### Website or app

https://codesandbox.io/s/react-playground-forked-j4niq

### Repro steps

Emoji seem supported but produce strange symbole

![image](https://user-images.githubusercontent.com/24865815/133793744-55a55582-90ad-425f-8a40-4c061a3c1d80.png)

To test emoji on Window Os, use `[win]+[.]` 🟩


### How often does this bug happen?

Every time

### DevTools package (automated)

_No response_

### DevTools version (automated)

_No response_

### Error message (automated)

_No response_

### Error call stack (automated)

_No response_

### Error component stack (automated)

_No response_

### GitHub query string (automated)

_No response_
function getUpdatersList(root): Array<SerializedElement> | null {
    return root.memoizedUpdaters != null
      ? Array.from(root.memoizedUpdaters).map(fiberToSerializedElement)
      : null;
  }
  function handleCommitFiberUnmount(fiber) {
     T
     W
     w
    recordUnmount(fiber, false);
  }
  function handlePostCommitFiberRoot(root) {
    if (isProfiling && rootSupportsProfiling(root)) {
      if (currentCommitProfilingMetadata !== null) {
        const {effectDuration, passiveEffectDuration} = getEffectDurations(
          root,
        );
        currentCommitProfilingMetadata.effectDuration = effectDuration;
        currentCommitProfilingMetadata.passiveEffectDuration = passiveEffectDuration;
      }
    }
  }
  function handleCommitFiberRoot(root, priorityLevel) {
    const current = root.current;
    const alternate = current.alternate;
     F
     I
    untrackFibers();
    currentRootID = getOrGenerateFiberID(current);
     B