Outlook auth fix and actually syncing.

Wino.Mail.WinUI/App.xaml.cs

@@ -83,18 +83,21 @@ public partial class App : WinoApplication, IRecipient<NewMailSynchronizationReq
         // TODO: Check app relaunch mutex before loading anything.
 
         // Initialize NewThemeService first to get backdrop settings before creating window
-        var newThemeService = Services.GetService<INewThemeService>();
-        var configService = Services.GetService<IConfigurationService>();
+        var newThemeService = Services.GetRequiredService<INewThemeService>();
+        var configService = Services.GetRequiredService<IConfigurationService>();
+        var nativeAppService = Services.GetRequiredService<INativeAppService>();
 
         // Load saved backdrop type before creating window
         var savedBackdropType = (WindowBackdropType)configService.Get("WindowBackdropTypeKey", (int)WindowBackdropType.Mica);
 
         MainWindow = new ShellWindow();
 
+        nativeAppService.GetCoreWindowHwnd = () => WinRT.Interop.WindowNative.GetWindowHandle(MainWindow);
+
         await InitializeServicesAsync();
 
         // Initialize system tray
-        var systemTrayService = Services.GetService<ISystemTrayService>();
+        var systemTrayService = Services.GetRequiredService<ISystemTrayService>();
         if (systemTrayService != null)
         {
             systemTrayService.Initialize();

Wino.Mail.WinUI/Services/DialogService.cs

@@ -37,9 +37,11 @@ public class DialogService : DialogServiceBase, IMailDialogService
         {
             if (accountCreationDialogResult.ProviderType == MailProviderType.IMAP4)
             {
+
                 return new NewImapSetupDialog
                 {
-                    RequestedTheme = ThemeService.RootTheme.ToWindowsElementTheme()
+                    RequestedTheme = ThemeService.RootTheme.ToWindowsElementTheme(),
+                    XamlRoot = GetXamlRoot()
                 };
             }
             else

Wino.Mail.WinUI/ShellWindow.xaml

@@ -21,6 +21,7 @@
         <TitleBar
             x:Name="ShellTitleBar"
             Title="{x:Bind StatePersistanceService.CoreWindowTitle, Mode=OneWay}"
+            Margin="-3,-3,0,0"
             HorizontalContentAlignment="Stretch"
             VerticalContentAlignment="Stretch"
             BackRequested="BackButtonClicked"

Wino.Mail.WinUI/Views/MailListPage.xaml

@@ -209,7 +209,7 @@
         <KeyboardAccelerator Key="Delete" Invoked="DeleteAllInvoked" />
     </Page.KeyboardAccelerators>
     <wino:BasePage.ShellContent>
-        <Grid HorizontalAlignment="Stretch" Background="Red">
+        <Grid HorizontalAlignment="Stretch">
             <!--  Hidden focus receiver...  -->
             <TextBox
                 Grid.Column="1"