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/system/command_manager.cc

@@ -2,7 +2,7 @@
 
 #include <fstream>
 
-#include "app/gui/input.h"
+#include "app/gui/core/input.h"
 #include "imgui/imgui.h"
 
 namespace yaze {

src/app/editor/system/popup_manager.cc

@@ -2,8 +2,8 @@
 
 #include "absl/strings/str_format.h"
 #include "app/editor/editor_manager.h"
-#include "app/gui/style.h"
-#include "app/gui/icons.h"
+#include "app/gui/core/style.h"
+#include "app/gui/core/icons.h"
 #include "util/hex.h"
 #include "imgui/misc/cpp/imgui_stdlib.h"
 

src/app/editor/system/proposal_drawer.cc

@@ -7,7 +7,7 @@
 #include "absl/strings/str_format.h"
 #include "absl/time/time.h"
 #include "imgui/imgui.h"
-#include "app/gui/icons.h"
+#include "app/gui/core/icons.h"
 #include "cli/service/rom/rom_sandbox_manager.h"
 
 // Policy evaluation support (optional, only in main yaze build)

src/app/editor/system/settings_editor.cc

@@ -2,11 +2,11 @@
 #include "app/editor/system/settings_editor.h"
 
 #include "absl/status/status.h"
-#include "app/gui/feature_flags_menu.h"
+#include "app/gui/app/feature_flags_menu.h"
 #include "app/gfx/debug/performance/performance_profiler.h"
-#include "app/gui/style.h"
-#include "app/gui/icons.h"
-#include "app/gui/theme_manager.h"
+#include "app/gui/core/style.h"
+#include "app/gui/core/icons.h"
+#include "app/gui/core/theme_manager.h"
 #include "imgui/imgui.h"
 #include "util/log.h"
 

src/app/editor/system/shortcut_manager.cc

@@ -3,7 +3,7 @@
 #include <algorithm>
 #include <string>
 
-#include "app/gui/input.h"
+#include "app/gui/core/input.h"
 #include "imgui/imgui.h"
 
 namespace yaze {

src/app/editor/system/user_settings.cc

@@ -4,7 +4,7 @@
 #include <sstream>
 
 #include "absl/strings/str_format.h"
-#include "app/gui/style.h"
+#include "app/gui/core/style.h"
 #include "imgui/imgui.h"
 #include "util/file_util.h"
 #include "util/log.h"