refactor(pricing): 重构适用商品类型处理逻辑

- 移除 ProductTypeListTypeHandler，直接在实体类中处理 JSON转换
- 为 PriceVoucherBatchConfig 添加 ObjectMapper 静态实例和日志记录
- 实现 JSON 字符串与 ProductType 列表之间的转换方法- 更新数据库映射，将 applicableProducts 映射为 JSON 字符串
- 优化 VoucherServiceImpl 中的产品适用性检查逻辑

src/main/resources/mapper/PriceVoucherBatchConfigMapper.xml

@@ -10,6 +10,7 @@
         <result column="broker_id" property="brokerId" />
         <result column="discount_type" property="discountType" />
         <result column="discount_value" property="discountValue" />
+        <result column="applicable_products" property="applicableProductsJson" />
         <result column="total_count" property="totalCount" />
         <result column="used_count" property="usedCount" />
         <result column="claimed_count" property="claimedCount" />
@@ -24,7 +25,7 @@
 
     <!-- 基础字段 -->
     <sql id="Base_Column_List">
-        id, batch_name, scenic_id, broker_id, discount_type, discount_value, 
+        id, batch_name, scenic_id, broker_id, discount_type, discount_value, applicable_products,
         total_count, used_count, claimed_count, status, create_time, update_time, 
         create_by, update_by, deleted, deleted_at
     </sql>
@@ -71,7 +72,7 @@
     <!-- 根据券码查询对应的券码批次配置 -->
     <select id="selectByVoucherCode" resultMap="BaseResultMap">
         SELECT 
-            b.id, b.batch_name, b.scenic_id, b.broker_id, b.discount_type, b.discount_value,
+            b.id, b.batch_name, b.scenic_id, b.broker_id, b.discount_type, b.discount_value, b.applicable_products,
             b.total_count, b.used_count, b.claimed_count, b.status, b.create_time, b.update_time,
             b.create_by, b.update_by, b.deleted, b.deleted_at
         FROM price_voucher_batch_config b