### 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 instance = null;
    let style = null;
    const fiber = findCurrentFiberUsingSlowPathById(id);
    if (fiber !== null) {
      instance = fiber.stateNode;
      if (fiber.memoizedProps !== null) {
        style = fiber.memoizedProps.style;
      }
    }
    return {instance, style};
  }
  function isErrorBoundary(fiber: Fiber): boolean {
    const {tag, type} = fiber;
    switch (tag) {
      case ClassComponent:
      case IncompleteClassComponent:
        const instance = fiber.stateNode;
        return (
          typeof type.getDerivedStateFromError === 'function' ||
          (instance !== null &&
            typeof instance.componentDidCatch === 'function')
        );
      default:
        return false;
    }
  }
  function getNearestErrorBoundaryID(fiber: Fiber): number | null {
    let parent = fiber.return;
    while (parent !== null) {
      if (isErrorBoundary(parent)) {