feat(order): 设置订单支付类型字段

- 在订单主表中新增支付类型字段赋值逻辑
- 确保订单创建时正确关联支付方式信息

ruoyi-modules/ruoyi-order/src/main/java/org/dromara/order/service/impl/OrderMainServiceImpl.java

@@ -554,6 +554,7 @@ public class OrderMainServiceImpl extends ServiceImpl<OrderMainMapper, OrderMain
         }
         OrderMain order = new OrderMain();
         order.setId(orderId);
+        order.setPayType(payType);
         order.setOrderStatus(OrderStatus.PENDING_CONFIRMATION.getCode());
         Boolean result = baseMapper.updateById(order) > 0;
         if (!result) {