fix(AlibabaAgent): 修复订单服务数据结构问题

- 将注释掉的 orderGroup 字段替换为 msg 字段，并正确映射 message 数据
- 恢复 success 字段的返回，确保响应结构完整性
- 移除对 success 字段的注释标记，保持返回数据的一致性

app/services/ThirdParty/AlibabaAgent/OrderService.php

@@ -148,7 +148,7 @@ class OrderService extends AlibabaAgentBaseService
                 'sumCarriage'          => $item['sumCarriage'] ?? 0,
                 'sumPaymentNoCarriage' => $item['sumPaymentNoCarriage'] ?? 0,
                 'flowFlag'             => $item['flowFlag'] ?? '',
-                // 'orderGroup'           => $item['orderGroup'] ?? '',
+                'msg'                  => $item['message'] ?? '',
                 // 'status'               => $item['status'] ?? false,
                 // 'cargoList'            => $item['cargoList'] ?? [],
                 // 'tradeModeNameList'    => $item['tradeModeNameList'] ?? [],
@@ -162,7 +162,7 @@ class OrderService extends AlibabaAgentBaseService
         }
 
         return [
-            // 'success'    => $success,
+            'success'    => $success,
             'preview'    => $formattedList[0] ?? null,
             // 'list'       => $formattedList,
             // 'unsupportedCrossBorderPayOfferList' => $result['unsupportedCrossBorderPayOfferList'] ?? [],