### 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_
initialIDToRootMap != null &&
              initialIDToRootMap.get(id) === rootID
            ) {
               W
               b
              initialTreeBaseDurations.push([id, treeBaseDuration]);
            }
          });
        }
        commitProfilingMetadata.forEach((commitProfilingData, commitIndex) => {
          const {
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            durations,
            effectDuration,
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            updaters,
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          const fiberActualDurations: Array<[number, number]> = [];
          const fiberSelfDurations: Array<[number, number]> = [];
          for (let i = 0; i < durations.length; i += 3) {
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            fiberActualDurations.push([fiberID, durations[i + 1]]);
            fiberSelfDurations.push([fiberID, durations[i + 2]]);
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          commitData.push({
            changeDescriptions:
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