### 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.h
void MoveAbove(const std::string& sourceId, gin_helper::Arguments* args);
  void MoveTop();
  bool IsMovable();
  void SetMinimizable(bool minimizable);
  bool IsMinimizable();
  void SetMaximizable(bool maximizable);
  bool IsMaximizable();
  void SetFullScreenable(bool fullscreenable);
  bool IsFullScreenable();
  void SetClosable(bool closable);
  bool IsClosable();
  void SetAlwaysOnTop(bool top, gin_helper::Arguments* args);
  bool IsAlwaysOnTop();
  void Center();
  void SetPosition(int x, int y, gin_helper::Arguments* args);
  std::vector<int> GetPosition();
  void SetTitle(const std::string& title);
  std::string GetTitle();
  void SetAccessibleTitle(const std::string& title);
  std::string GetAccessibleTitle();
  void FlashFrame(bool flash);
  void SetSkipTaskbar(bool skip);
  void SetExcludedFromShownWindowsMenu(bool excluded);
  bool IsExcludedFromShownWindowsMenu();
  void SetSimpleFullScreen(bool simple_fullscreen);
  bool IsSimpleFullScreen();
  void SetKiosk(bool kiosk);
  bool IsKiosk();
  bool IsTabletMode() const;
  virtual void SetBackgroundColor(const std::string& color_name);