### 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_
fiberID: number,
    pendingFiberToMessageCountMap: Map<Fiber, Map<string, number>>,
    fiberIDToMessageCountMap: Map<number, Map<string, number>>,
  ) {
    const fiber = idToArbitraryFiberMap.get(fiberID);
    if (fiber != null) {
      
      pendingFiberToErrorsMap.delete(fiber);
      if (fiberIDToMessageCountMap.has(fiberID)) {
        fiberIDToMessageCountMap.delete(fiberID);
        
        fibersWithChangedErrorOrWarningCounts.add(fiber);
        flushPendingEvents();
        updateMostRecentlyInspectedElementIfNecessary(fiberID);
      } else {
        fibersWithChangedErrorOrWarningCounts.delete(fiber);
      }
    }
  }
  function clearErrorsForFiberID(fiberID: number) {
    clearMessageCountHelper(
      fiberID,
      pendingFiberToErrorsMap,
      fiberIDToErrorsMap,
    );
  }
  function clearWarningsForFiberID(fiberID: number) {