fix 匹配餐次问题

Src/Dlhis.Canteen/Order/Services/Implements/BalanceSummaryService.cs

@@ -39,10 +39,10 @@ public class BalanceSummaryService : IBalanceSummaryService
                     return new KeyValueDto<ShiftEnumType, int>
                     {
                         Key = shift,
-                        Value = grp.Where(x => x.ShiftType == ShiftEnumType.Breakfast).DistinctBy(x => x.UserNo).Count()
+                        Value = grp.Where(x => x.ShiftType == shift).Select(x => x.UserNo).Distinct().Count()
                     };
                 }).ToList(),
-                Total = grp.Where(x => x.CostDate == grp.Key).DistinctBy(x => x.UserNo).Count()
+                Total = grp.Where(x => x.CostDate == grp.Key).Select(x => x.UserNo).Distinct().Count()
             };
         })
         .ToPage(request);