navigation improvements

Wino.Core.Domain/Interfaces/IMailDialogService.cs

@@ -20,7 +20,7 @@ public interface IMailDialogService : IDialogServiceBase
     // Custom dialogs
     Task<IMailItemFolder> ShowMoveMailFolderDialogAsync(List<IMailItemFolder> availableFolders);
     Task<MailAccount> ShowAccountPickerDialogAsync(List<MailAccount> availableAccounts);
-    Task<AccountCalendar> ShowSingleCalendarPickerDialogAsync(List<CalendarPickerAccountGroup> availableCalendarGroups);
+    Task<AccountCalendarPickingResult> ShowSingleCalendarPickerDialogAsync(List<CalendarPickerAccountGroup> availableCalendarGroups);
 
     /// <summary>
     /// Displays a dialog to the user for reordering accounts.

Wino.Core.Domain/Interfaces/IShellClient.cs

@@ -36,6 +36,7 @@ public interface IMailShellClient : IShellClient
     IMenuItem CreatePrimaryMenuItem { get; }
 
     IEnumerable<FolderOperationMenuItem> GetFolderContextMenuActions(IBaseFolderMenuItem folder);
+    Task HandleAccountCreatedAsync(MailAccount createdAccount);
     Task NavigateFolderAsync(IBaseFolderMenuItem baseFolderMenuItem, TaskCompletionSource<bool>? folderInitAwaitTask = null);
     Task ChangeLoadedAccountAsync(IAccountMenuItem clickedBaseAccountMenuItem, bool navigateInbox = true);
     Task PerformFolderOperationAsync(FolderOperation operation, IBaseFolderMenuItem folderMenuItem);

Wino.Core.Domain/Interfaces/IStatePersistenceService.cs

@@ -45,9 +45,9 @@ public interface IStatePersistanceService : INotifyPropertyChanged
     bool IsEventDetailsVisible { get; set; }
 
     /// <summary>
-    /// Whether SettingsPage has navigated to a sub-page and can go back.
+    /// Whether the current application mode has an active backstack that can be navigated.
     /// </summary>
-    bool IsSettingsNavigating { get; set; }
+    bool HasCurrentModeBackStack { get; set; }
 
     /// <summary>
     /// Setting: Opened pane length for the navigation view.