UWP .NET9 (#555)

* Ground work for NET9 UWP switch.

* Add launch settings for Wino.Mail

* Added new test WAP project

* fix platforms in slnx solution

* ManagePackageVersionsCentrally set default

* Fixing assets and couple issues with the new packaging project.

* Add back markdown

* Fix nuget warnings

* FIx error in WAP about build tools

* Add build.props with default language preview

* Some AOT compilation progress.

* More AOT stuff.

* Remove deprecated protocol auth activation handler.

* Fix remaining protocol handler for google auth.

* Even more AOT

* More more AOT fixes

* Fix a few more AOT warnings

* Fix signature editor AOT

* Fix composer and renderer AOT JSON

* Outlook Sync AOT

* Fixing bundle generation and package signing.

---------

Co-authored-by: Burak Kaan Köse <bkaankose@outlook.com>

Wino.Mail/Views/WelcomePage.xaml.cs

@@ -1,17 +1,16 @@
 using CommunityToolkit.Labs.WinUI.MarkdownTextBlock;
 using Wino.Views.Abstract;
 
-namespace Wino.Views
+namespace Wino.Views;
+
+public sealed partial class WelcomePage : WelcomePageAbstract
 {
-    public sealed partial class WelcomePage : WelcomePageAbstract
+    private readonly MarkdownConfig _config;
+
+    public WelcomePage()
     {
-        private readonly MarkdownConfig _config;
+        InitializeComponent();
 
-        public WelcomePage()
-        {
-            InitializeComponent();
-
-            _config = new MarkdownConfig();
-        }
+        _config = new MarkdownConfig();
     }
 }