RemoteItemMover, Startup/Exit handler refactor

src/AppCommon/FileTime.App.Core.Abstraction/Services/IExitHandler.cs

@@ -2,5 +2,5 @@ namespace FileTime.App.Core.Services;
 
 public interface IExitHandler
 {
-    Task ExitAsync();
+    Task ExitAsync(CancellationToken token = default);
 }

src/AppCommon/FileTime.App.Core.Abstraction/Services/Persistence/ITabPersistenceService.cs

@@ -2,5 +2,5 @@ namespace FileTime.App.Core.Services.Persistence;
 
 public interface ITabPersistenceService : IStartupHandler, IExitHandler
 {
-    void SaveStates();
+    void SaveStates(CancellationToken token = default);
 }