### 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

13.1.2

### What operating system are you using?

macOS

### Operating System Version

macOS Big Sur 11.4

### What arch are you using?

x64

### Last Known Working Electron version

11.4.5

### Expected Behavior

  - create the main window with `show: false` option
  - create the child window with a loading spinner and show it immediately
  - after 10 sec hide the child window and show the main one

### Actual Behavior

The main window is shown along with the child window, disregarding the `show: false` flag. This behavior is seen only on macOS.

### Testcase Gist URL

https://gist.github.com/f2a3a5e8d9130223f18b8ddade390f20

### Additional Information

_No response_
shell/browser/api/electron_api_base_window.cc
ResetBrowserViews();
  AddBrowserView(value);
}
void BaseWindow::AddBrowserView(v8::Local<v8::Value> value) {
  gin::Handle<BrowserView> browser_view;
  if (value->IsObject() &&
      gin::ConvertFromV8(isolate(), value, &browser_view)) {
    auto get_that_view = browser_views_.find(browser_view->ID());
    if (get_that_view == browser_views_.end()) {
      if (browser_view->web_contents()) {
        
        
        auto* owner_window = browser_view->web_contents()->owner_window();
        if (owner_window && owner_window != window_.get()) {
          owner_window->RemoveBrowserView(browser_view->view());
          browser_view->web_contents()->SetOwnerWindow(nullptr);
        }
        window_->AddBrowserView(browser_view->view());
        browser_view->web_contents()->SetOwnerWindow(window_.get());
      }
      browser_views_[browser_view->ID()].Reset(isolate(), value);
    }
  }
}
void BaseWindow::RemoveBrowserView(v8::Local<v8::Value> value) {