feat: Enhance menu rendering and input handling

- Added support for new plugins: IrondashEngineContext and SuperNativeExtensions in the Flutter plugin registrant.
- Updated CMake configuration to include new plugins.
- Introduced a new dependency, super_clipboard, in pubspec.yaml.
- Enhanced the WolfEngine to set the menu background color.
- Implemented keyboard shortcuts for renderer mode toggling and ASCII theme cycling in CLI input handling.
- Updated menu manager to include a universal menu background color.
- Refactored ASCII and Sixel renderers to utilize the new menu background color and improved header drawing logic.
- Simplified the drawing of menu options sidebars and header bars across different renderers.
- Improved the layout and centering of menu titles in the header bar.

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

apps/wolf_3d_gui/lib/screens/sprite_gallery.dart

@@ -62,9 +62,11 @@ class SpriteGallery extends StatelessWidget {
                   textAlign: TextAlign.center,
                 ),
                 Expanded(
-                  child: AspectRatio(
-                    aspectRatio: 4 / 3,
-                    child: WolfAssetPainter.sprite(wolf3d.sprites[index]),
+                  child: Center(
+                    child: AspectRatio(
+                      aspectRatio: 1,
+                      child: WolfAssetPainter.sprite(wolf3d.sprites[index]),
+                    ),
                   ),
                 ),
               ],