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### 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.
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### Problem Description
<!-- Is your feature request related to a problem? Please add a clear and concise description of what the problem is. -->
My electron version is 6.1.11, and I can't update because visibleOnFullScreen option on setVisibleOnAllWorkspaces is deprecated. It works fine on mac 10.15.4 and newer version.
To code like this:

  app.dock.hide()
  window.setAlwaysOnTop(true, 'floating')
  window.setVisibleOnAllWorkspaces(true, { visibleOnFullScreen: true })

The visibleOnFullScreen option is very important to my electron app and I'm so appreciate if you can check this feature again!

shell/browser/native_window_views.h
#if defined(OS_WIN)
  TaskbarHost& taskbar_host() { return taskbar_host_; }
#endif
 private:
  
  void OnWidgetActivationChanged(views::Widget* widget, bool active) override;
  void OnWidgetBoundsChanged(views::Widget* widget,
                             const gfx::Rect& bounds) override;
  void OnWidgetDestroying(views::Widget* widget) override;
  
  void DeleteDelegate() override;
  views::View* GetInitiallyFocusedView() override;
  bool CanResize() const override;
  bool CanMaximize() const override;
  bool CanMinimize() const override;
  base::string16 GetWindowTitle() const override;
  views::View* GetContentsView() override;
  bool ShouldDescendIntoChildForEventHandling(
      gfx::NativeView child,
      const gfx::Point& location) override;
  views::ClientView* CreateClientView(views::Widget* widget) override;
  std::unique_ptr<views::NonClientFrameView> CreateNonClientFrameView(
      views::Widget* widget) override;
  void OnWidgetMove() override;
#if defined(OS_WIN)
  bool ExecuteWindowsCommand(int command_id) override;
#endif
#if defined(OS_WIN)
  void HandleSizeEvent(WPARAM w_param, LPARAM l_param);