change abandoned and failed towards newest Mission

EDPlayerJournal/Entries/MissionAbandonedEntry.cs

@@ -1,7 +1,9 @@
 namespace EDPlayerJournal.Entries; 
+
 public class MissionAbandonedEntry : Entry {
-    public ulong MissionID { get; set; }
+    public Mission? Mission { get; set; }
+
     protected override void Initialise() {
-        MissionID = JSON.Value<ulong?>("MissionID") ?? 0;
+        Mission = Mission.FromMissionAbandoned(JSON);
     }
 }

EDPlayerJournal/Entries/MissionFailedEntry.cs

@@ -1,19 +1,15 @@
-namespace EDPlayerJournal.Entries; 
+namespace EDPlayerJournal.Entries;
+
 public class MissionFailedEntry : Entry {
-    public string? Name { get; set; }
-    public ulong MissionID { get; set; }
+    /// <summary>
+    /// Fine imposed for mission failure.
+    /// </summary>
     public int Fine { get; set; }
 
-    public string? HumanReadableName {
-        get {
-            if (Name == null) return null;
-            return HumanReadableMissionName.MakeHumanReadableName(Name);
-        }
-    }
+    public Mission? Mission { get; set; }
 
     protected override void Initialise() {
-        Name = JSON.Value<string>("Name");
-        MissionID = JSON.Value<ulong?>("MissionID") ?? 0;
+        Mission = Mission.FromMissionFailed(JSON);
         Fine = JSON.Value<int?>("Fine") ?? 0;
     }
 }