Correct missionDefinitionResponse

Author: Eddasol

backend/api/Controllers/Models/MissionDefinitionResponse.cs

@@ -87,7 +87,8 @@ MissionDefinition missionDefinition
         public TimeSpan? InspectionFrequency { get; } = missionDefinition.InspectionFrequency;
 
         [JsonPropertyName("autoScheduleFrequency")]
-        public AutoScheduleFrequency? AutoScheduleFrequency { get; set; }
+        public AutoScheduleFrequency? AutoScheduleFrequency { get; } =
+            missionDefinition.AutoScheduleFrequency;
 
         [JsonPropertyName("lastSuccessfulRun")]
         public virtual MissionRun? LastSuccessfulRun { get; } = missionDefinition.LastSuccessfulRun;