fix 设备组重组

Src/Dlhis.ScheduledTask/TaskAssignment/Request/DeviceTaskAssignmentRequest.cs

@@ -25,6 +25,11 @@ public class DeviceTaskAssignmentRequest : PageDto, IValidatableObject
 
     public string UserNo { get; set; }
 
+    /// <summary>
+    /// 厂区
+    /// </summary>
+    public string Factory { get; set; }
+
     /// <summary>
     /// 搜索范围
     /// </summary>
@@ -32,11 +37,11 @@ public class DeviceTaskAssignmentRequest : PageDto, IValidatableObject
 
     public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
     {
-        if (SearchDateTimePeriod != null && SearchDateTimePeriod.End.HasValue)
+        if (SearchDateTimePeriod is { End: not null })
         {
             SearchDateTimePeriod.End = SearchDateTimePeriod.End.Value.AddDays(1).AddSeconds(-1);
         }
 
         yield break;
     }
-}
+}