feat: normalize release-cardinal fields out of track into a Release entity (Phase 8 §8.0)

DeepDrftManager/Components/Pages/Tracks/TrackEdit.razor

@@ -264,7 +264,7 @@
 
         var confirmed = await DialogService.ShowMessageBox(
             "Delete track",
-            $"Permanently delete \"{_track.TrackName}\" by {_track.Artist}? This cannot be undone.",
+            $"Permanently delete \"{_track.TrackName}\" by {_track.Release?.Artist ?? "Unknown"}? This cannot be undone.",
             yesText: "Delete",
             cancelText: "Cancel");
 
@@ -310,14 +310,14 @@
         public static TrackEditForm From(TrackDto track) => new()
         {
             TrackName = track.TrackName,
-            Artist = track.Artist,
-            Album = track.Album,
-            Genre = track.Genre,
-            ImagePath = track.ImagePath,
-            ReleaseDate = track.ReleaseDate is { } d
+            Artist = track.Release?.Artist ?? string.Empty,
+            Album = track.Release?.Title,
+            Genre = track.Release?.Genre,
+            ImagePath = track.Release?.ImagePath,
+            ReleaseDate = track.Release?.ReleaseDate is { } d
                 ? d.ToDateTime(TimeOnly.MinValue)
                 : null,
-            ReleaseType = track.ReleaseType,
+            ReleaseType = track.Release?.ReleaseType ?? ReleaseType.Single,
             TrackNumber = track.TrackNumber
         };
     }