### 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 bug report that matches the one I want to file, without success.

### Electron Version

17.0.0

### What operating system are you using?

Windows

### Operating System Version

Windows 10 Version 21H1

### What arch are you using?

x64

### Last Known Working Electron version

14.2.3

### Expected Behavior

background should transparent if background is #00000000

### Actual Behavior

has a white background

### Testcase Gist URL

_No response_

### Additional Information

_No response_
shell/browser/api/electron_api_web_contents.cc
static base::NoDestructor<base::IDMap<WebContents*>> s_all_ontents;
  return *s_all_ontents;
}
void OnCapturePageDone(gin_helper::Promise<gfx::Image> promise,
                       const SkBitmap& bitmap) {
  
  promise.Resolve(gfx::Image::CreateFrom1xBitmap(bitmap));
}
absl::optional<base::TimeDelta> GetCursorBlinkInterval() {
#if BUILDFLAG(IS_MAC)
  base::TimeDelta interval;
  if (ui::TextInsertionCaretBlinkPeriod(&interval))
    return interval;
#elif BUILDFLAG(IS_LINUX)
  if (auto* linux_ui = views::LinuxUI::instance())
    return linux_ui->GetCursorBlinkInterval();
#elif BUILDFLAG(IS_WIN)
  const auto system_msec = ::GetCaretBlinkTime();
  if (system_msec != 0) {
    return (system_msec == INFINITE) ? base::TimeDelta()
                                     : base::Milliseconds(system_msec);
  }
#endif
  return absl::nullopt;
}
#if BUILDFLAG(ENABLE_PRINTING)
bool IsDeviceNameValid(const std::u16string& device_name) {