refactor(shop): 修改查询字段名称

- 将 dealerNickname 更改为 dealerName，以更好地反映字段的实际含义
- 此修改仅影响 XML 配置文件，不涉及代码逻辑变更

src/main/java/com/gxwebsoft/shop/mapper/xml/ShopUserRefereeMapper.xml

@@ -4,7 +4,7 @@
 
     <!-- 关联查询sql -->
     <sql id="selectSql">
-        SELECT a.*, d.nickname AS dealerNickname, u.nickname, d.avatar AS dealerAvatar, u.avatar, d.phone AS dealerPhone, u.phone
+        SELECT a.*, d.nickname AS dealerName, u.nickname, d.avatar AS dealerAvatar, u.avatar, d.phone AS dealerPhone, u.phone
         FROM shop_user_referee a
         LEFT JOIN gxwebsoft_core.sys_user d ON a.dealer_id = d.user_id
         LEFT JOIN gxwebsoft_core.sys_user u ON a.user_id = u.user_id