### 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

12.0.5

### What operating system are you using?

macOS

### Operating System Version

11.2.3

### What arch are you using?

arm64 (including Apple Silicon)

### Last Known Working Electron version

_No response_

### Expected Behavior

`document.hasFocus()` is only `true` for the window that has focus.

### Actual Behavior

Ever window reports `document.hasFocus()` to be `true` right after opening.

### Testcase Gist URL

https://gist.github.com/16e6fc829febd0cab115dfd0850a31be

### Additional Information

_No response_
shell/browser/api/electron_api_web_contents.cc
content::WebContents* guest,
    scoped_refptr<content::FileSelectListener> listener,
    const base::FilePath& path) {
  if (!web_dialog_helper_)
    web_dialog_helper_ =
        std::make_unique<WebDialogHelper>(owner_window(), offscreen_);
  web_dialog_helper_->EnumerateDirectory(guest, std::move(listener), path);
}
bool WebContents::IsFullscreenForTabOrPending(
    const content::WebContents* source) {
  return html_fullscreen_;
}
blink::SecurityStyle WebContents::GetSecurityStyle(
    content::WebContents* ontents,
    content::SecurityStyleExplanations* security_style_explanations) {
  auto state = security_state::GetVisibleSecurityState(ontents);
  auto security_level = security_state::GetSecurityLevel(*state, false);
  return security_state::GetSecurityStyle(security_level, *state,
                                          security_style_explanations);
}
bool WebContents::TakeFocus(content::WebContents* source, bool reverse) {