### 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_
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          (renderer.currentDispatcherRef: any),
          true,  I
        );
      } finally {
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        for (const method in originalConsoleMethods) {
          try {
             $
            console[method] = originalConsoleMethods[method];
          } catch (error) {}
        }
      }
    }
    let rootType = null;
    let current = fiber;
    while (current.return !== null) {
      current = current.return;
    }
    const fiberRoot = current.stateNode;
    if (fiberRoot != null && fiberRoot._debugRootType !== null) {
      rootType = fiberRoot._debugRootType;
    }
    const errors = fiberIDToErrorsMap.get(id) || new Map();
    const warnings = fiberIDToWarningsMap.get(id) || new Map();
    const isErrored =
      (fiber.flags & DidCapture) !== NoFlags ||
      forceErrorForFiberIDs.get(id) === true;
    let targetErrorBoundaryID;
    if (isErrorBoundary(fiber)) {