refactor(localization): switch block translations to item naming

Remove the `name_key` field from block definitions and use item-based
localization keys (`item.*.name`) for inventory display. Item data now
stores the localized name at load time.

include/Cubed/gameplay/block.hpp

@@ -42,7 +42,6 @@ struct LookBlock {
 
 struct BlockData {
     std::string name;
-    std::string name_key;
     BlockType id = 0;
 
     bool is_liquid = false;
@@ -56,17 +55,14 @@ struct BlockData {
     bool is_blend = false;
     bool is_transitional = false;
     float roughness = 1.0f;
-    BlockData(std::string_view b_name, std::string_view name_k, BlockType b_id,
-              bool liquid, bool passable, bool cross_plane, bool transparent,
-              bool gas, bool discard, bool blend, bool transitional, float r)
-        : name(b_name), name_key(name_k), id(b_id), is_liquid(liquid),
-          is_gas(gas), is_passable(passable), is_cross_plane(cross_plane),
+    BlockData(std::string_view b_name, BlockType b_id, bool liquid,
+              bool passable, bool cross_plane, bool transparent, bool gas,
+              bool discard, bool blend, bool transitional, float r)
+        : name(b_name), id(b_id), is_liquid(liquid), is_gas(gas),
+          is_passable(passable), is_cross_plane(cross_plane),
           is_transparent(transparent), is_discard(discard), is_blend(blend),
           is_transitional(transitional), roughness(r) {}
-    BlockData() {
-        name = "";
-        name_key = "";
-    }
+    BlockData() { name = ""; }
 };
 
 } // namespace Cubed

include/Cubed/gameplay/block_manager.hpp

@@ -11,7 +11,6 @@ public:
     static unsigned sums();
     static unsigned cross_plane_sum();
     static const std::string& name_form_id(BlockType id);
-    static std::string local_name(BlockType id);
     static bool is_gas(BlockType id);
     static bool is_liquid(BlockType id);
 

include/Cubed/gameplay/item.hpp

@@ -19,6 +19,7 @@ using ItemProperty = std::variant<BlockType, std::string>;
 struct ItemData {
     ItemID id = 0;
     std::string name;
+    std::string local_name;
     std::string description;
     std::string path;
     ItemKind kind = ItemKind::NONE;