Added (migrated) CustomNavigationHandler (which should partially fix the AvatarIcon in the NavBar in iOS)
Added (migrated) CustomContentPageHandler (which should mostly place the AvatarIcon in the navBar in the correct place for iOS)
Added Task.Delay (workaround) to allow the Avatar to load in iOS on the LoginPage
Added workaround for iOS bug with the toolbar size (more info in comment in AvatarImageSource.cs)
Went through the AccountViewCell MAUI-Migration comments. (and deleted/added more comments as needed)
Migrated some Device calls to DeviceInfo and MainThread
Added (migrated) CustomTabbedHandler (for managing the iOS TabBar)
Added CustomTabbedPageHandler for Android to handle the tab "reselection" for PopToRoot.
Commented support for Windows in App.csproj
Disabled Interpreter on Android to avoid very slow app in Debug (during Login for example)
Added some null checks that were causing crashes (on GeneratorPageVM and PickerVM)
Minor TabsPage cleanup
