Replace ImageSharp with SkiaSharp everywhere (#7030)

* replace ImageSharp with SkiaSharp for inline keyboard applet rendering

* fix avalonia inline keyboard input

* remove image sharp from gtk3 project

* add skiasharp linux assets

* fix whitespace

* fix format

* fix ico image offset when saving shortcut to windows

src/Ryujinx/UI/Helpers/OffscreenTextBox.cs

@@ -1,11 +1,14 @@
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
+using System;
 
 namespace Ryujinx.Ava.UI.Helpers
 {
     public class OffscreenTextBox : TextBox
     {
+        protected override Type StyleKeyOverride => typeof(TextBox);
+
         public static RoutedEvent<KeyEventArgs> GetKeyDownRoutedEvent()
         {
             return KeyDownEvent;