refactor(entity): 新增 GoodsItem 统一物品数据模型，合并查询接口并迁移 UI 状态字段

- 新增 GoodsItem 纯数据类（DTO），整合接口字段与原 CookFoodGoodsEntity @Ignore UI 状态字段
- ApiService/RemoteRepository/NetViewModel 合并 queryGoodsList 与 querySeasoningList 为统一接口
- GoodsInfoSearchAdapter/FoodSearchAdapter/DishPartAdapter 实体类改为 GoodsItem
- FoodSearchDialog/FoodRecognizeDialog/FoodRecognizeActivity/VectorCollectionFragment 改用 GoodsItem
- PrepareFoodActivity.list 改为 GoodsItem，loadDishDetail 加 toGoodsItem() 转换，采集模式传 SubmitFoodActivity 前转回 CookFoodGoodsEntity
- CookFoodGoodsEntity 删除所有 @Ignore 字段，新增 toGoodsItem() 转换方法

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/src/main/res/layout/activity_prepare_food.xml

@@ -100,7 +100,7 @@
             android:overScrollMode="never"
             android:scrollbars="vertical"
             tools:itemCount="3"
-            tools:listitem="@layout/list_item_dish_cook" />
+            tools:listitem="@layout/list_item_food_material" />
 
     </LinearLayout>