Enhance overworld editor with music editing features and custom overworld support

- Added a new Music tab in the Map Properties panel for editing music tracks associated with different game states.
- Implemented functionality to save music data for both Light and Dark World maps.
- Updated feature flags to enable custom overworld features based on ASM version, improving flexibility for ROM modifications.
- Enhanced UI elements with tooltips and popups for better user guidance on custom overworld settings.

src/app/editor/overworld/map_properties.h

@@ -64,6 +64,7 @@ class MapPropertiesSystem {
   void DrawSpritePropertiesTab(int current_map);
   void DrawCustomFeaturesTab(int current_map);
   void DrawTileGraphicsTab(int current_map);
+  void DrawMusicTab(int current_map);
   
   // Utility methods
   void RefreshMapProperties();