Fix Crash due to ForeignArtistId not being in DB for TrackFile Table

Fix Crash due to ForeignArtistId not being in DB for TrackFile Table

src/NzbDrone.Core/MediaFiles/TrackFile.cs

@@ -12,8 +12,8 @@ namespace NzbDrone.Core.MediaFiles
 {
     public class TrackFile : ModelBase
     {
-        public string ForeignTrackId { get; set; }
-        public string ForeignArtistId { get; set; }
+        //public string ForeignTrackId { get; set; }
+        //public string ForeignArtistId { get; set; }
         public int AlbumId { get; set; }
         public int ArtistId { get; set; }
         public string RelativePath { get; set; }

src/NzbDrone.Core/MediaFiles/TrackImport/ImportApprovedTracks.cs

@@ -73,7 +73,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
 
                     var trackFile = new TrackFile();
                     trackFile.DateAdded = DateTime.UtcNow;
-                    trackFile.ForeignArtistId = localTrack.Artist.ForeignArtistId;
+                    trackFile.ArtistId = localTrack.Artist.Id;
                     trackFile.Path = localTrack.Path.CleanFilePath();
                     trackFile.Size = _diskProvider.GetFileSize(localTrack.Path);
                     trackFile.Quality = localTrack.Quality;