misc: chore: Use collection expressions in Avalonia project

src/Ryujinx/Input/AvaloniaKeyboardDriver.cs

@@ -11,7 +11,7 @@ namespace Ryujinx.Ava.Input
 {
     internal class AvaloniaKeyboardDriver : IGamepadDriver
     {
-        private static readonly string[] _keyboardIdentifers = new string[1] { "0" };
+        private static readonly string[] _keyboardIdentifers = ["0"];
         private readonly Control _control;
         private readonly HashSet<AvaKey> _pressedKeys;
 
@@ -25,7 +25,7 @@ namespace Ryujinx.Ava.Input
         public AvaloniaKeyboardDriver(Control control)
         {
             _control = control;
-            _pressedKeys = new HashSet<AvaKey>();
+            _pressedKeys = [];
 
             _control.KeyDown += OnKeyPress;
             _control.KeyUp += OnKeyRelease;

src/Ryujinx/Input/AvaloniaKeyboardMappingHelper.cs

@@ -7,7 +7,8 @@ namespace Ryujinx.Ava.Input
 {
     internal static class AvaloniaKeyboardMappingHelper
     {
-        private static readonly AvaKey[] _keyMapping = {
+        private static readonly AvaKey[] _keyMapping =
+        [
             // NOTE: Invalid
             AvaKey.None,
 
@@ -143,8 +144,8 @@ namespace Ryujinx.Ava.Input
             AvaKey.OemBackslash,
 
             // NOTE: invalid
-            AvaKey.None,
-        };
+            AvaKey.None
+        ];
 
         private static readonly Dictionary<AvaKey, Key> _avaKeyMapping;