Mark freshly-loaded ReplayActions as not being dirty

EduNetworkBuilder/NBSettings.cs

@@ -162,10 +162,11 @@ namespace EduNetworkBuilder
         {
             ReplayMode = true;
             UserActions = NB.ReadFromXmlResource<ActionCollection>("EduNetworkReplay");
-            foreach(NetworkAction NetAction in UserActions.NetActions)
+            foreach (NetworkAction NetAction in UserActions.NetActions)
             {
                 NetAction.HasBeenStored = true; //All of them start out stored
             }
+            UserActions.HasUnsavedChanges = false; //we have just loaded a clean thing.  Nothing to save
         }
 
         public bool CheckIfDone(string PuzzleName)