### 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/electron_browser_client.cc
content::RenderFrameHost* frame,
    WebSocketFactory factory,
    const GURL& url,
    const net::SiteForCookies& site_for_cookies,
    const absl::optional<std::string>& user_agent,
    mojo::PendingRemote<network::mojom::WebSocketHandshakeClient>
        handshake_client) {
  v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
  v8::HandleScope scope(isolate);
  auto* browser_context = frame->GetProcess()->GetBrowserContext();
  auto web_request = api::WebRequest::FromOrCreate(isolate, browser_context);
  DCHECK(web_request.get());
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
  if (!web_request->HasListener()) {
    auto* web_request_api = extensions::BrowserContextKeyedAPIFactory<
        extensions::WebRequestAPI>::Get(browser_context);
    if (web_request_api && web_request_api->MayHaveProxies()) {
      web_request_api->ProxyWebSocket(frame, std::move(factory), url,
                                      site_for_cookies, user_agent,
                                      std::move(handshake_client));
      return;
    }
  }
#endif
  ProxyingWebSocket::StartProxying(
      web_request.get(), std::move(factory), url, site_for_cookies, user_agent,
      std::move(handshake_client), true, frame->GetProcess()->GetID(),