Merge remote-tracking branch 'refs/remotes/origin/master'

Merge changes made on visual studio repo.

src/app/editor/dungeon/dungeon_editor.cc

@@ -109,7 +109,7 @@ absl::Status DungeonEditor::Initialize() {
   ASSIGN_OR_RETURN(current_palette_group_,
                    gfx::CreatePaletteGroupFromLargePalette(full_palette_));
 
-  graphics_bin_ = rom()->gfx_sheets();
+	graphics_bin_ = GraphicsSheetManager::GetInstance().gfx_sheets();
   // Create a vector of pointers to the current block bitmaps
   for (int block : rooms_[current_room_id_].blocks()) {
     room_gfx_sheets_.emplace_back(&graphics_bin_[block]);