### Preflight Checklist
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* [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.
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*I found one but it's been closed since 2017 athough updates are still happening on it either close this issue and reopen that or make this the new issue #9092* 

### Issue Details

* **Electron Version:**
  * v10.1.1
* **Operating System:**
  * Windows 10 18363
* **Last Known Working Electron version:**
  * unknown

### Expected Behavior
calling `isMaximized()` to respond if the window is maximized 

### Actual Behavior
`isMaximized()` always returns false when transparent is set to true on BrowserWindow

### To Reproduce
https://gist.github.com/293ffab750b019714f12d8e1f203e611


### Additional Information
#9092 is a closed issue with people still reporting this problems but since it's closed I don't think admins are looking hence creating this issue.

shell/browser/native_window_views.cc
NativeWindow::SetParentWindow(parent);
#if defined(USE_X11)
  if (!features::IsUsingOzonePlatform()) {
    ui::SetProperty(
        static_cast<x11::Window>(GetAcceleratedWidget()),
        x11::Atom::WM_TRANSIENT_FOR, x11::Atom::WINDOW,
        parent ? static_cast<x11::Window>(parent->GetAcceleratedWidget())
               : ui::GetX11RootWindow());
  }
#elif defined(OS_WIN)
  
  
  
  
  
  
  HWND hwndParent = parent ? parent->GetAcceleratedWidget() : NULL;
  if (hwndParent ==
      (HWND)::GetWindowLongPtr(GetAcceleratedWidget(), GWLP_HWNDPARENT))
    return;
  ::SetWindowLongPtr(GetAcceleratedWidget(), GWLP_HWNDPARENT,
                     (LONG_PTR)hwndParent);
  
  if (IsVisible()) {
    WINDOWPLACEMENT wp;
    wp.length = sizeof(WINDOWPLACEMENT);
    ::GetWindowPlacement(GetAcceleratedWidget(), &wp);
    ::ShowWindow(GetAcceleratedWidget(), SW_HIDE);
    ::ShowWindow(GetAcceleratedWidget(), wp.showCmd);