### 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/browser.cc
for (BrowserObserver& observer : observers_)
    observer.OnOpenURL(url);
}
void Browser::Activate(bool has_visible_windows) {
  for (BrowserObserver& observer : observers_)
    observer.OnActivate(has_visible_windows);
}
void Browser::WillFinishLaunching() {
  for (BrowserObserver& observer : observers_)
    observer.OnWillFinishLaunching();
}
void Browser::DidFinishLaunching(base::DictionaryValue launch_info) {
  
  base::ThreadRestrictions::ScopedAllowIO allow_io;
  base::FilePath user_data;
  if (base::PathService::Get(chrome::DIR_USER_DATA, &user_data))
    base::CreateDirectoryAndGetError(user_data, nullptr);
  is_ready_ = true;
  if (ready_promise_) {
    ready_promise_->Resolve();
  }
  for (BrowserObserver& observer : observers_)
    observer.OnFinishLaunching(launch_info);
}
v8::Local<v8::Value> Browser::WhenReady(v8::Isolate* isolate) {