### Preflight Checklist

- [X] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/main/CONTRIBUTING.md) for this project.
- [X] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/main/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

13.5.1

### What operating system are you using?

Windows

### Operating System Version

Windows 10

### What arch are you using?

x64

### Last Known Working Electron version

_No response_

### Expected Behavior

After I execute:
document.body.requestFullscreen();
navigator.keyboard.lock();

The keyboard is supposed be locked. System key like: Alt + tab should be captured by js code. 

### Actual Behavior

System key is not locked. Alt + tab will swipe the electron app.

### Testcase Gist URL

_No response_

### Additional Information

The same page works as expected in Chrome.
shell/browser/api/electron_api_web_contents.cc
if (source && source->GetOutermostWebContents() == source) {
     If this is the outermost web contents and the user has tabbed or
     shift + tabbed through all the elements, reset the focus back to
     the first or last element so that it doesn't stay in the body.
    source->FocusThroughTabTraversal(reverse);
    return true;
  }
  return false;
}
content::PictureInPictureResult WebContents::EnterPictureInPicture(
    content::WebContents* ontents,
    const viz::SurfaceId& surface_id,
    const gfx::Size& natural_size) {
#if BUILDFLAG(ENABLE_PICTURE_IN_PICTURE)
  return PictureInPictureWindowManager::GetInstance()->EnterPictureInPicture(
      ontents, surface_id, natural_size);
#else
  return content::PictureInPictureResult::kNotSupported;
#endif
}
void WebContents::ExitPictureInPicture() {
#if BUILDFLAG(ENABLE_PICTURE_IN_PICTURE)
  PictureInPictureWindowManager::GetInstance()->ExitPictureInPicture();
#endif
}
void WebContents::DevToolsSaveToFile(const std::string& url,