### 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_
let ReactPriorityLevels: ReactPriorityLevelsType = {
    ImmediatePriority: 99,
    UserBlockingPriority: 98,
    NormalPriority: 97,
    LowPriority: 96,
    IdlePriority: 95,
    NoPriority: 90,
  };
  if (gt(version, '17.0.2')) {
    ReactPriorityLevels = {
      ImmediatePriority: 1,
      UserBlockingPriority: 2,
      NormalPriority: 3,
      LowPriority: 4,
      IdlePriority: 5,
      NoPriority: 0,
    };
  }
  let ReactTypeOfWork: WorkTagMap = ((null: any): WorkTagMap);
  
  
  
  
  
  
  if (gt(version, '17.0.1')) {
    ReactTypeOfWork = {
      CacheComponent: 24, 
      ClassComponent: 1,
      ContextConsumer: 9,