refactor(gui): reorganize GUI includes and introduce new components

- Updated include paths for various GUI-related headers to improve organization and clarity.
- Introduced new components for better modularity, including PaletteEditorWidget and EditorCardManager.
- Refactored existing code to utilize the new components, ensuring consistency across the GUI subsystem.

Benefits:
- Enhances maintainability and readability of the GUI code.
- Facilitates future enhancements and optimizations within the GUI subsystem.

src/app/editor/sprite/sprite_editor.cc

@@ -1,12 +1,12 @@
 #include "sprite_editor.h"
 
 #include "app/gfx/debug/performance/performance_profiler.h"
-#include "app/gui/ui_helpers.h"
+#include "app/gui/core/ui_helpers.h"
 #include "util/file_util.h"
 #include "app/editor/sprite/zsprite.h"
 #include "app/gfx/resource/arena.h"
-#include "app/gui/icons.h"
-#include "app/gui/input.h"
+#include "app/gui/core/icons.h"
+#include "app/gui/core/input.h"
 #include "zelda3/sprite/sprite.h"
 #include "util/hex.h"
 

src/app/editor/sprite/sprite_editor.h

@@ -7,9 +7,9 @@
 #include "absl/status/status.h"
 #include "app/editor/editor.h"
 #include "app/editor/sprite/zsprite.h"
-#include "app/gui/canvas.h"
-#include "app/gui/editor_card_manager.h"
-#include "app/gui/editor_layout.h"
+#include "app/gui/canvas/canvas.h"
+#include "app/gui/app/editor_card_manager.h"
+#include "app/gui/app/editor_layout.h"
 #include "app/rom.h"
 
 namespace yaze {