Update with recovered code from VM binaries (Jan 1)

Recovered from decompiled OpenMaui.Controls.Linux.dll:
- SkiaShell.cs: FlyoutHeader, FlyoutFooter, scroll support (918 -> 1325 lines)
- X11Window.cs: Cursor support (XCreateFontCursor, XDefineCursor)
- All handlers with dark mode support
- All services with latest implementations
- LinuxApplication with theme change handling

Handlers/TabbedPageHandler.cs

@@ -1,55 +1,43 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-
+using System;
 using Microsoft.Maui.Handlers;
-using Microsoft.Maui.Graphics;
-using SkiaSharp;
 
 namespace Microsoft.Maui.Platform.Linux.Handlers;
 
-/// <summary>
-/// Handler for TabbedPage on Linux using Skia rendering.
-/// Maps ITabbedView interface to SkiaTabbedPage platform view.
-/// </summary>
-public partial class TabbedPageHandler : ViewHandler<ITabbedView, SkiaTabbedPage>
+public class TabbedPageHandler : ViewHandler<ITabbedView, SkiaTabbedPage>
 {
-    public static IPropertyMapper<ITabbedView, TabbedPageHandler> Mapper = new PropertyMapper<ITabbedView, TabbedPageHandler>(ViewHandler.ViewMapper)
-    {
-    };
+	public static IPropertyMapper<ITabbedView, TabbedPageHandler> Mapper = (IPropertyMapper<ITabbedView, TabbedPageHandler>)(object)new PropertyMapper<ITabbedView, TabbedPageHandler>((IPropertyMapper[])(object)new IPropertyMapper[1] { (IPropertyMapper)ViewHandler.ViewMapper });
 
-    public static CommandMapper<ITabbedView, TabbedPageHandler> CommandMapper = new(ViewHandler.ViewCommandMapper)
-    {
-    };
+	public static CommandMapper<ITabbedView, TabbedPageHandler> CommandMapper = new CommandMapper<ITabbedView, TabbedPageHandler>((CommandMapper)(object)ViewHandler.ViewCommandMapper);
 
-    public TabbedPageHandler() : base(Mapper, CommandMapper)
-    {
-    }
+	public TabbedPageHandler()
+		: base((IPropertyMapper)(object)Mapper, (CommandMapper)(object)CommandMapper)
+	{
+	}
 
-    public TabbedPageHandler(IPropertyMapper? mapper, CommandMapper? commandMapper = null)
-        : base(mapper ?? Mapper, commandMapper ?? CommandMapper)
-    {
-    }
+	public TabbedPageHandler(IPropertyMapper? mapper, CommandMapper? commandMapper = null)
+		: base((IPropertyMapper)(((object)mapper) ?? ((object)Mapper)), (CommandMapper)(((object)commandMapper) ?? ((object)CommandMapper)))
+	{
+	}
 
-    protected override SkiaTabbedPage CreatePlatformView()
-    {
-        return new SkiaTabbedPage();
-    }
+	protected override SkiaTabbedPage CreatePlatformView()
+	{
+		return new SkiaTabbedPage();
+	}
 
-    protected override void ConnectHandler(SkiaTabbedPage platformView)
-    {
-        base.ConnectHandler(platformView);
-        platformView.SelectedIndexChanged += OnSelectedIndexChanged;
-    }
+	protected override void ConnectHandler(SkiaTabbedPage platformView)
+	{
+		base.ConnectHandler(platformView);
+		platformView.SelectedIndexChanged += OnSelectedIndexChanged;
+	}
 
-    protected override void DisconnectHandler(SkiaTabbedPage platformView)
-    {
-        platformView.SelectedIndexChanged -= OnSelectedIndexChanged;
-        platformView.ClearTabs();
-        base.DisconnectHandler(platformView);
-    }
+	protected override void DisconnectHandler(SkiaTabbedPage platformView)
+	{
+		platformView.SelectedIndexChanged -= OnSelectedIndexChanged;
+		platformView.ClearTabs();
+		base.DisconnectHandler(platformView);
+	}
 
-    private void OnSelectedIndexChanged(object? sender, EventArgs e)
-    {
-        // Notify the virtual view of selection change
-    }
+	private void OnSelectedIndexChanged(object? sender, EventArgs e)
+	{
+	}
 }