### 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_
formatted += ', ';
          }
          formatted += data[i];
          if (formatted.length > MAX_PREVIEW_STRING_LENGTH) {
             Prev
            break;
          }
        }
        return `${shortName} [${truncateForDisplay(formatted)}]`;
      } else {
        return shortName;
      }
    case 'iterator':
      const name = data.constructor.name;
      if (showFormattedValue) {
        
        
        
        
        const array = Array.from(data);
        let formatted = '';
        for (let i = 0; i < array.length; i++) {
          const entryOrEntries = array[i];
          if (i > 0) {
            formatted += ', ';
          }
          
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