Order in Tab instead TabViewModel, Utf8 char handling

src/Core/FileTime.Core.Abstraction/Models/ItemOrdering.cs

@@ -0,0 +1,11 @@
+namespace FileTime.App.Core.Models;
+
+public enum ItemOrdering
+{
+    Name,
+    NameDesc,
+    CreationDate,
+    CreationDateDesc,
+    LastModifyDate,
+    LastModifyDateDesc,
+}

src/Core/FileTime.Core.Abstraction/Services/ITab.cs

@@ -1,5 +1,6 @@
 using System.Collections.ObjectModel;
 using DeclarativeProperty;
+using FileTime.App.Core.Models;
 using FileTime.Core.Models;
 using InitableService;
 
@@ -7,10 +8,11 @@ namespace FileTime.Core.Services;
 
 public interface ITab : IAsyncInitable<IContainer>, IDisposable
 {
-    public IDeclarativeProperty<IContainer?> CurrentLocation { get; }
-    public IDeclarativeProperty<ObservableCollection<IItem>?> CurrentItems { get; }
-    public IDeclarativeProperty<AbsolutePath?> CurrentSelectedItem { get; }
+    IDeclarativeProperty<IContainer?> CurrentLocation { get; }
+    IDeclarativeProperty<ObservableCollection<IItem>?> CurrentItems { get; }
+    IDeclarativeProperty<AbsolutePath?> CurrentSelectedItem { get; }
     FullName? LastDeepestSelectedPath { get; }
+    DeclarativeProperty<ItemOrdering?> Ordering { get; }
 
     Task SetCurrentLocation(IContainer newLocation);
     void AddItemFilter(ItemFilter filter);