### 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_
case CONCURRENT_MODE_SYMBOL_STRING:
          case DEPRECATED_ASYNC_MODE_SYMBOL_STRING:
          case STRICT_MODE_NUMBER:
          case STRICT_MODE_SYMBOL_STRING:
            return true;
          default:
            break;
        }
    }
    const elementType = getElementTypeForFiber(fiber);
    if (hideElementsWithTypes.has(elementType)) {
      return true;
    }
    if (hideElementsWithDisplayNames.size > 0) {
      const displayName = getDisplayNameForFiber(fiber);
      if (displayName != null) {
        
        for (const displayNameRegExp of hideElementsWithDisplayNames) {
          if (displayNameRegExp.test(displayName)) {
            return true;
          }
        }
      }
    }
    if (_debugSource != null && hideElementsWithPaths.size > 0) {
      const {fileName} = _debugSource;
      
      for (const pathRegExp of hideElementsWithPaths) {
        if (pathRegExp.test(fileName)) {
          return true;