### 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 'hooks':
          if (path.length === 1) {
             N
            return true;
          }
          if (
            path[path.length - 2] === 'hookSource' &&
            path[path.length - 1] === 'fileName'
          ) {
             I
             i
             O
            return true;
          }
          if (
            path[path.length - 1] === 'subHooks' ||
            path[path.length - 2] === 'subHooks'
          ) {
             D
             s
             W
            return true;
          }
          break;
        default:
          break;
      }
      let current =
        key === null ? currentlyInspectedPaths : currentlyInspectedPaths[key];
      if (!current) {