fix 餐补查询及日志删除

Src/Dlhis.Canteen/Order/Request/BalanceRecordByUserRequest.cs

@@ -0,0 +1,8 @@
+using Kurisu.Core.DataAccess.Dto;
+
+namespace Dlhis.Canteen.Order.Request
+{
+    public class BalanceRecordByUserRequest : PageDto
+    {
+    }
+}

Src/Dlhis.Canteen/Order/Request/OaEMealVoucherDetailRequest.cs

@@ -7,6 +7,6 @@ namespace Dlhis.Canteen.Dishes.Request
         /// <summary>
         /// 餐券id
         /// </summary>
-        public long OaEMealVoucherId { get; set; }
+        public long? OaEMealVoucherId { get; set; }
     }
 }

Src/Dlhis.Canteen/Order/Request/OaEMealVoucherRequest.cs

@@ -6,9 +6,5 @@ namespace Dlhis.Canteen.Dishes.Request
 {
     public class OaEMealVoucherRequest : PageDto
     {
-        /// <summary>
-        /// 用户学工号
-        /// </summary>
-        public string UserCode { get; set; }
     }
 }