update Inventory::Create to return a status

src/app/editor/screen_editor.cc

@@ -46,7 +46,7 @@ void ScreenEditor::DrawInventoryMenuEditor() {
 
   static bool create = false;
   if (!create && rom()->is_loaded()) {
-    inventory_.Create();
+    status_ = inventory_.Create();
     palette_ = inventory_.Palette();
     create = true;
   }

src/app/zelda3/screen/inventory.cc

@@ -10,12 +10,12 @@ namespace app {
 namespace zelda3 {
 namespace screen {
 
-void Inventory::Create() {
+absl::Status Inventory::Create() {
   data_.reserve(256 * 256);
   for (int i = 0; i < 256 * 256; i++) {
     data_.push_back(0xFF);
   }
-  PRINT_IF_ERROR(BuildTileset())
+  RETURN_IF_ERROR(BuildTileset())
   for (int i = 0; i < 0x500; i += 0x08) {
     tiles_.push_back(gfx::GetTilesInfo(rom()->toint16(i + kBowItemPos)));
     tiles_.push_back(gfx::GetTilesInfo(rom()->toint16(i + kBowItemPos + 0x02)));
@@ -64,8 +64,9 @@ void Inventory::Create() {
   }
 
   bitmap_.Create(256, 256, 8, data_);
-  bitmap_.ApplyPalette(palette_);
+  RETURN_IF_ERROR(bitmap_.ApplyPalette(palette_));
   rom()->RenderBitmap(&bitmap_);
+  return absl::OkStatus();
 }
 
 absl::Status Inventory::BuildTileset() {

src/app/zelda3/screen/inventory.h

@@ -21,7 +21,7 @@ class Inventory : public SharedRom {
   auto Tilesheet() const { return tilesheets_bmp_; }
   auto Palette() const { return palette_; }
 
-  void Create();
+  absl::Status Create();
 
  private:
   absl::Status BuildTileset();