feat: capture and display original upload filename for tracks

DeepDrftAPI/Controllers/TrackController.cs

@@ -124,11 +124,12 @@ public class TrackController : ControllerBase
         [FromForm] string? album,
         [FromForm] string? genre,
         [FromForm] string? releaseDate,
+        [FromForm] string? originalFileName,
         [FromForm] long createdByUserId,
         CancellationToken cancellationToken)
     {
-        _logger.LogInformation("UploadTrack called: trackName={TrackName}, artist={Artist}, size={Size}",
-            trackName, artist, wav?.Length);
+        _logger.LogInformation("UploadTrack called: trackName={TrackName}, artist={Artist}, fileName={FileName}, size={Size}",
+            trackName, artist, originalFileName, wav?.Length);
 
         if (wav is null || wav.Length == 0)
         {
@@ -182,6 +183,7 @@ public class TrackController : ControllerBase
                 string.IsNullOrWhiteSpace(genre) ? null : genre,
                 parsedReleaseDate,
                 createdByUserId,
+                string.IsNullOrWhiteSpace(originalFileName) ? null : originalFileName,
                 cancellationToken);
 
             if (!result.Success || result.Value is null)