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.ViewModels/ComposePageViewModel.cs

@@ -142,7 +142,7 @@ namespace Wino.Mail.ViewModels
             {
                 await NativeAppService.LaunchFileAsync(attachmentViewModel.FilePath);
             }
-            catch (Exception ex)
+            catch
             {
                 _dialogService.InfoBarMessage(Translator.Info_FailedToOpenFileTitle, Translator.Info_FailedToOpenFileMessage, InfoBarMessageType.Error);
             }
@@ -159,7 +159,7 @@ namespace Wino.Mail.ViewModels
             {
                 await _fileService.CopyFileAsync(attachmentViewModel.FilePath, pickedFilePath);
             }
-            catch (Exception ex)
+            catch
             {
                 _dialogService.InfoBarMessage(Translator.Info_FailedToOpenFileTitle, Translator.Info_FailedToOpenFileMessage, InfoBarMessageType.Error);
             }