Folder operations, Gmail folder sync improvements and rework of menu items. (#273)

* New rename folder dialog keys.

* Insfra work for folder operations and rename folder code.

* RenameFolder for Gmail.

* Fixed input dialog to take custom take for primary button.

* Missing rename for DS call.

* Outlook to throw exception in case of error.

* Implemented rename folder functionality for Outlook.

* Remove default primary text from input dialog.

* Fixed an issue where outlook folder rename does not work.

* Disable vertical scroll for composing page editor items.

* Fixing some issues with imap folder sync.

* fix copy pasta

* TODO folder update/removed overrides for shell.

* New rename folder dialog keys.

* Insfra work for folder operations and rename folder code.

* RenameFolder for Gmail.

* Fixed input dialog to take custom take for primary button.

* Missing rename for DS call.

* Outlook to throw exception in case of error.

* Implemented rename folder functionality for Outlook.

* Remove default primary text from input dialog.

* Fixed an issue where outlook folder rename does not work.

* Disable vertical scroll for composing page editor items.

* Fixing some issues with imap folder sync.

* fix copy pasta

* TODO folder update/removed overrides for shell.

* New rename folder dialog keys.

* Insfra work for folder operations and rename folder code.

* RenameFolder for Gmail.

* Fixed input dialog to take custom take for primary button.

* Missing rename for DS call.

* Outlook to throw exception in case of error.

* Implemented rename folder functionality for Outlook.

* Remove default primary text from input dialog.

* Fixed an issue where outlook folder rename does not work.

* Disable vertical scroll for composing page editor items.

* Fixing some issues with imap folder sync.

* fix copy pasta

* TODO folder update/removed overrides for shell.

* New rename folder dialog keys.

* Fixed an issue where redundant older updates causing pivots to be re-created.

* New empty folder request

* New rename folder dialog keys.

* Insfra work for folder operations and rename folder code.

* RenameFolder for Gmail.

* Fixed input dialog to take custom take for primary button.

* Missing rename for DS call.

* Outlook to throw exception in case of error.

* Implemented rename folder functionality for Outlook.

* Remove default primary text from input dialog.

* Fixed an issue where outlook folder rename does not work.

* Fixing some issues with imap folder sync.

* fix copy pasta

* TODO folder update/removed overrides for shell.

* New rename folder dialog keys.

* New rename folder dialog keys.

* New rename folder dialog keys.

* Fixed an issue where redundant older updates causing pivots to be re-created.

* New empty folder request

* Enable empty folder on base sync.

* Move updates on event listeners.

* Remove folder UI messages.

* Reworked folder synchronization for gmail.

* Loading folders on the fly as the selected account changed instead of relying on cached menu items.

* Merged account folder items, re-navigating to existing rendering page.

* - Reworked merged account menu system.
- Reworked unread item count loadings.
- Fixed back button visibility.
- Instant rendering of mails if renderer is active.
- Animation fixes.
- Menu item re-load crash/hang fixes.

* Handle folder renaming on the UI.

* Empty folder for all synchronizers.

* New execution delay mechanism and handling folder mark as read for all synchronizers.

* Revert UI changes on failure for IMAP.

* Remove duplicate translation keys.

* Cleanup.

Wino.Core/MenuItems/AccountMenuItem.cs

@@ -11,8 +11,6 @@ namespace Wino.Core.MenuItems
 {
     public partial class AccountMenuItem : MenuItemBase<MailAccount, MenuItemBase<IMailItemFolder, FolderMenuItem>>, IAccountMenuItem
     {
-        public List<FolderMenuItem> FlattenedFolderHierarchy { get; set; }
-
         [ObservableProperty]
         private int unreadItemCount;
 
@@ -20,6 +18,9 @@ namespace Wino.Core.MenuItems
         [NotifyPropertyChangedFor(nameof(IsSynchronizationProgressVisible))]
         private double synchronizationProgress;
 
+        [ObservableProperty]
+        private bool _isEnabled = true;
+
         public bool IsAttentionRequired => AttentionReason != AccountAttentionReason.None;
         public bool IsSynchronizationProgressVisible => SynchronizationProgress > 0 && SynchronizationProgress < 100;
         public Guid AccountId => Parameter.Id;
@@ -88,8 +89,5 @@ namespace Wino.Core.MenuItems
                 }
             }
         }
-
-        public int GetUnreadItemCountByFolderType(SpecialFolderType specialFolderType)
-            => FlattenedFolderHierarchy?.Where(a => a.SpecialFolderType == specialFolderType).Sum(a => a.UnreadItemCount) ?? 0;
     }
 }