重构

- 统一 ItemDescForm/RewardItem/GoodsItem 的描述格式
- 减少组件属性的 Clone 数量，目前只在合并仓库、组装防御塔时才进行复制
- 删除先前留下的冗余 fallback 代码

Assets/GameMain/Scripts/UI/Combat/Controller/CombatFinishFormController.cs

@@ -284,21 +284,11 @@ namespace GeometryTD.UI
                 Title = string.IsNullOrWhiteSpace(title) ? $"Item {itemId}" : title,
                 TypeText = typeText ?? string.Empty,
                 Description = description ?? string.Empty,
-                Tags = CloneTags(tags),
-                TagRuntimes = CloneTagRuntimes(tagRuntimes)
+                Tags = tags,
+                TagRuntimes = tagRuntimes
             };
         }
 
-        private static TagType[] CloneTags(TagType[] tags)
-        {
-            return tags != null ? (TagType[])tags.Clone() : System.Array.Empty<TagType>();
-        }
-
-        private static TagRuntimeData[] CloneTagRuntimes(TagRuntimeData[] tagRuntimes)
-        {
-            return InventoryCloneUtility.CloneTagRuntimes(tagRuntimes);
-        }
-
         private static string BuildComponentTypeText(TowerCompSlotType slotType)
         {
             return slotType switch
@@ -391,8 +381,8 @@ namespace GeometryTD.UI
                 Description = seed.Description ?? string.Empty,
                 Price = 0,
                 ScreenPosition = args.ScreenPosition,
-                Tags = CloneTags(seed.Tags),
-                TagRuntimes = CloneTagRuntimes(seed.TagRuntimes)
+                Tags = seed.Tags,
+                TagRuntimes = seed.TagRuntimes
             });
         }