Fix a bug cause by a field being null.

Author: JetStream96

src/QSP/RouteFinding/Tracks/Ausots/AusotsHandler.cs

@@ -16,8 +16,8 @@ public class AusotsHandler : TrackHandler
         private StatusRecorder recorder;
         private AirportManager airportList;
         private TrackInUseCollection tracksInUse;
-        private List<TrackNodes> nodes;
-        public bool AddedToWptList { get; private set; }
+        private List<TrackNodes> nodes = new List<TrackNodes>();
+        public bool AddedToWptList { get; private set; } = false;
         public AusotsMessage RawData { get; private set; }
 
         public AusotsHandler(
@@ -32,7 +32,6 @@ public AusotsHandler(
             this.recorder = recorder;
             this.airportList = airportList;
             this.tracksInUse = tracksInUse;
-            AddedToWptList = false;
         }
 
         /// <summary>

src/QSP/RouteFinding/Tracks/Nats/NatHandler.cs

@@ -16,8 +16,8 @@ public class NatsHandler : TrackHandler
         private StatusRecorder recorder;
         private AirportManager airportList;
         private TrackInUseCollection tracksInUse;
-        private List<TrackNodes> nodes;
-        public bool AddedToWptList { get; private set; }
+        private List<TrackNodes> nodes = new List<TrackNodes>();
+        public bool AddedToWptList { get; private set; } = false;
         public NatsMessage RawData { get; private set; }
 
         public NatsHandler(
@@ -32,7 +32,6 @@ public NatsHandler(
             this.recorder = recorder;
             this.airportList = airportList;
             this.tracksInUse = tracksInUse;
-            AddedToWptList = false;
         }
 
         /// <summary>

src/QSP/RouteFinding/Tracks/Pacots/PacotsHandler.cs

@@ -16,8 +16,8 @@ public class PacotsHandler : TrackHandler
         private StatusRecorder recorder;
         private AirportManager airportList;
         private TrackInUseCollection tracksInUse;
-        private List<TrackNodes> nodes;
-        public bool AddedToWptList { get; private set; }
+        private List<TrackNodes> nodes = new List<TrackNodes>();
+        public bool AddedToWptList { get; private set; } = false;
         public PacotsMessage RawData { get; private set; }
 
         public PacotsHandler(
@@ -32,7 +32,6 @@ public PacotsHandler(
             this.recorder = recorder;
             this.airportList = airportList;
             this.tracksInUse = tracksInUse;
-            AddedToWptList = false;
         }
 
         /// <exception cref="GetTrackException"></exception>