### 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_
PathMatch,
  ProfilingDataBackend,
  ProfilingDataForRootBackend,
  ReactRenderer,
  RendererInterface,
  SerializedElement,
  WorkTagMap,
} from './types';
import type {
  ComponentFilter,
  ElementType,
} from 'react-devtools-shared/src/types';
type getDisplayNameForFiberType = (fiber: Fiber) => string | null;
type getTypeSymbolType = (type: any) => Symbol | number;
type ReactPriorityLevelsType = {|
  ImmediatePriority: number,
  UserBlockingPriority: number,
  NormalPriority: number,
  LowPriority: number,
  IdlePriority: number,
  NoPriority: number,
|};
type ReactTypeOfSideEffectType = {|
  DidCapture: number,
  NoFlags: number,
  PerformedWork: number,
  Placement: number,
  Incomplete: number,
|};
function getFiberFlags(fiber: Fiber): number {