### Website or app

reactjs.org

### Repro steps

1. Install React DevTools v4.20.0 in Firefox
2. Load reactjs.org in Firefox
3. Open Firefox DevTools
4. Observe error in console

![image](https://user-images.githubusercontent.com/1271509/137547605-e6ad3045-c20a-4828-9895-af46b8bb4db1.png)


### How often does this bug happen?

Every time

`console.error("${UNRECOGNIZED_EXTENSION_ERROR}")`,
      );
      callback(false);
      break;
    }
    case 'unknown': {
      
      
      
      
      console.error(UNRECOGNIZED_EXTENSION_ERROR);
      chrome.devtools.inspectedWindow.eval(
        `console.error("${UNRECOGNIZED_EXTENSION_ERROR}")`,
      );
      callback(false);
      break;
    }
    default: {
      (EXTENSION_INSTALLATION_TYPE: empty);
    }
  }
}
function checkForInstalledExtensions(
  extensionIds: string[],
): Promise<boolean[]> {
  return Promise.all(
    extensionIds.map(extensionId => checkForInstalledExtension(extensionId)),
  );
}
function checkForInstalledExtension(extensionId: string): Promise<boolean> {