### 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
window_->SetMaximumSize(gfx::Size(width, height));
}
std::vector<int> BaseWindow::GetMaximumSize() {
  std::vector<int> result(2);
  gfx::Size size = window_->GetMaximumSize();
  result[0] = size.width();
  result[1] = size.height();
  return result;
}
void BaseWindow::SetSheetOffset(double offsetY, gin_helper::Arguments* args) {
  double offsetX = 0.0;
  args->GetNext(&offsetX);
  window_->SetSheetOffset(offsetX, offsetY);
}
void BaseWindow::SetResizable(bool resizable) {
  window_->SetResizable(resizable);
}
bool BaseWindow::IsResizable() {
  return window_->IsResizable();
}
void BaseWindow::SetMovable(bool movable) {
  window_->SetMovable(movable);
}
bool BaseWindow::IsMovable() {
  return window_->IsMovable();
}
void BaseWindow::SetMinimizable(bool minimizable) {
  window_->SetMinimizable(minimizable);
}
bool BaseWindow::IsMinimizable() {