fix(finance): 修复共富订单数据返回缺少商户ID问题

- 在共富订单数据数组中添加mer_id字段
- 使用shared_mer_id变量为共富订单设置正确的商户标识
- 确保共富订单数据结构与其他订单类型保持一致

app/common/repositories/finance/FinanceRepository.php

@@ -264,7 +264,7 @@ class FinanceRepository extends BaseRepository
             $data[] = ['className' => 'el-icon-s-goods', 'count' => set_price_rtrim($tuikuanmoney), 'name' => '复购区订单总数', 'mer_id' => $mer_idfg, 'list' => $list4];
             $data[] = ['className' => 'el-icon-s-goods', 'count' => set_price_rtrim($tuikuancount), 'name' => '三方平台订单总数', 'list' => $list5];
             $data[] = ['className' => 'el-icon-s-goods', 'count' => set_price_rtrim($tuikuanren), 'name' => '线下订单总数', 'list' => $list6];
-            $data[] = ['className' => 'el-icon-s-goods', 'count' => set_price_rtrim($sharedMoney), 'name' => '共富订单总数', 'list' => $list7];
+            $data[] = ['className' => 'el-icon-s-goods', 'count' => set_price_rtrim($sharedMoney), 'name' => '共富订单总数', 'mer_id' => $shared_mer_id, 'list' => $list7];
             return $data;
         }
     }