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/zelda3/overworld/overworld_item.h

@@ -19,6 +19,10 @@ constexpr int kOverworldItemsAddress = 0xDC8B9;  // 1BC2F9
 constexpr int kOverworldItemsBank = 0xDC8BF;
 constexpr int kOverworldItemsEndData = 0xDC89C;  // 0DC89E
 
+constexpr int kOverworldBombDoorItemLocationsNew = 0x012644;
+constexpr int kOverworldItemsPointersNew = 0x012784;
+constexpr int kOverworldItemsStartDataNew = 0x0DC2F9;
+
 class OverworldItem : public GameEntity {
  public:
   OverworldItem() = default;