feat(oa): 添加财务模块主表分页查询功能

- 新增 selectMainPageList 方法用于主表分页查询
- 在 SysOaFinanceMapper.xml 中添加对应的 SQL 查询语句
- 修改 selectPageFinanceList 实现，先查询主表数据再批量查询子表数据
- 通过 financeId 分组将子表数据封装到对应的主表记录中
- 修复查询条件中的字段前缀问题，统一使用表别名 sof

ruoyi-oa/src/main/resources/mapper/oa/SysOaFinanceMapper.xml

@@ -97,6 +97,33 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             ${ew.getCustomSqlSegment}
     </select>
 
+    <select id="selectMainPageList" resultMap="SysOaFinanceResult">
+        select sof.finance_id,
+               sof.project_id,
+               sof.finance_title,
+               sof.finance_parties,
+               sof.pay_type,
+               sof.finance_type,
+               sof.finance_time,
+               sof.make_ratio,
+               sof.make_price,
+               sof.make_time,
+               sof.make_explain,
+               sof.accessory,
+               sof.remark as finance_remark,
+               sof.create_by,
+               sof.create_time,
+               sof.update_by,
+               sof.update_time,
+               sof.out_type,
+               sof.cost_category,
+               sof.signing_company,
+               sof.payment_progress_id,
+               sof.status
+        from sys_oa_finance sof
+        ${ew.getCustomSqlSegment}
+    </select>
+
     <select id="selectFinanceList" resultMap="SysOaFinanceResult">
         select sof.finance_id,
                sof.project_id,