Fix crafting for mystic enhancement ores.

src/main/java/emu/grasscutter/data/excels/ForgeData.java

@@ -12,6 +12,7 @@ public class ForgeData extends GameResource {
     private int id;
     private int playerLevel;
     private int forgeType;
+    private int showItemId;
     private int resultItemId;
     private int resultItemCount;
     private int forgeTime;
@@ -66,6 +67,10 @@ public class ForgeData extends GameResource {
         return materialItems;
     }
 
+    public int getShowItemId() {
+        return showItemId;
+    }
+
     @Override
     public void onLoad() {
     }

src/main/java/emu/grasscutter/game/managers/forging/ForgingManager.java

@@ -198,8 +198,9 @@ public class ForgingManager {
 
 		// Give finished items to the player.
 		ForgeData data = GameData.getForgeDataMap().get(forge.getForgeId());
-		ItemData resultItemData = GameData.getItemDataMap().get(data.getResultItemId());
 
+		int resultId = data.getResultItemId() > 0 ? data.getResultItemId() : data.getShowItemId();
+		ItemData resultItemData = GameData.getItemDataMap().get(resultId);
 		GameItem addItem = new GameItem(resultItemData, data.getResultItemCount() * finished);
 		this.player.getInventory().addItem(addItem);