[Enhancement] Giving more love for WinUI sample app

[mhrastegari]

With a little modification on Window and Shell handler I've achieved this:

Before:

After:

[brminnick]

This looks great! Any chance you could submit a PR for this?

[mhrastegari]

With pleasure 🥰

[bijington]

It does look great! Is there a way some of the styling improvements could be applied to all platforms?

[mhrastegari]

Unfortunately as far as I know MacCatalyst does not support BlendingMode.BehindWindow :"(
I've achieved that in Xamarin which uses Mac Cocoa but not MAUI.

And on other platforms like Android and iOS cannot be done since they're not desktop operating systems.

[CliffAgius]

Closed with PR #1861 , if closed in error please let us know to re-open.