Update SDL2 to SDL3

- Fix: Crash when connecting a JoyCon

- Fix: Make controller GUIDs match old SDL2 GUIDs

- Fix: Detect face button layout for gamepads

Co-authored-by: Maki <77-maki@users.noreply.git.ryujinx.app>

src/Ryujinx.Common/Configuration/Hid/InputBackendType.cs

@@ -7,6 +7,7 @@ namespace Ryujinx.Common.Configuration.Hid
     {
         Invalid,
         WindowKeyboard,
-        GamepadSDL2,
+        GamepadSDL2, //backcompat
+        GamepadSDL3,
     }
 }

src/Ryujinx.Common/Configuration/Hid/JsonInputConfigConverter.cs

@@ -58,7 +58,7 @@ namespace Ryujinx.Common.Configuration.Hid
             return backendType switch
             {
                 InputBackendType.WindowKeyboard => JsonSerializer.Deserialize(ref reader, _serializerContext.StandardKeyboardInputConfig),
-                InputBackendType.GamepadSDL2 => JsonSerializer.Deserialize(ref reader, _serializerContext.StandardControllerInputConfig),
+                InputBackendType.GamepadSDL2 or InputBackendType.GamepadSDL3 => JsonSerializer.Deserialize(ref reader, _serializerContext.StandardControllerInputConfig),
                 _ => throw new InvalidOperationException($"Unknown backend type {backendType}"),
             };
         }
@@ -70,7 +70,7 @@ namespace Ryujinx.Common.Configuration.Hid
                 case InputBackendType.WindowKeyboard:
                     JsonSerializer.Serialize(writer, value as StandardKeyboardInputConfig, _serializerContext.StandardKeyboardInputConfig);
                     break;
-                case InputBackendType.GamepadSDL2:
+                case InputBackendType.GamepadSDL2 or InputBackendType.GamepadSDL3:
                     JsonSerializer.Serialize(writer, value as StandardControllerInputConfig, _serializerContext.StandardControllerInputConfig);
                     break;
                 default: