### Preflight Checklist

- [X] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
- [X] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
- [X] I have searched the [issue tracker](https://www.github.com/electron/electron/issues) for a feature request that matches the one I want to file, without success.

### Electron Version

14.0.0 beta 9

### What operating system are you using?

macOS

### Operating System Version

macOS Catalina 10.15.7

### What arch are you using?

x64

### Last Known Working Electron version

14.0.0 beta 8

### Expected Behavior

`console.log(app.getPath('userData'))` in main.js in Fiddle should output something like `/Users/miburda/Library/Application Support/stereotyped-rub-drain-i2tik`

### Actual Behavior

`console.log(app.getPath('userData'))` in main.js in Fiddle outputs `/Users/miburda/Library/Application Support/Electron`

### Testcase Gist URL

_No response_

### Additional Information

Seems to be regressed by #29649. Happens both before and after `app.whenReady()`.
shell/browser/electron_browser_context.cc
if (!media_device_id_salt_.get())
    media_device_id_salt_ = std::make_unique<MediaDeviceIDSalt>(prefs_.get());
  return media_device_id_salt_->GetSalt();
}
std::unique_ptr<content::ZoomLevelDelegate>
ElectronBrowserContext::CreateZoomLevelDelegate(
    const base::FilePath& partition_path) {
  if (!IsOffTheRecord()) {
    return std::make_unique<ZoomLevelDelegate>(prefs(), partition_path);
  }
  return std::unique_ptr<content::ZoomLevelDelegate>();
}
content::DownloadManagerDelegate*
ElectronBrowserContext::GetDownloadManagerDelegate() {
  if (!download_manager_delegate_.get()) {
    auto* download_manager = this->GetDownloadManager();
    download_manager_delegate_ =
        std::make_unique<ElectronDownloadManagerDelegate>(download_manager);
  }
  return download_manager_delegate_.get();
}
content::BrowserPluginGuestManager* ElectronBrowserContext::GetGuestManager() {
  if (!guest_manager_)
    guest_manager_ = std::make_unique<WebViewManager>();
  return guest_manager_.get();
}
content::PermissionControllerDelegate*