potentially fix stuck uploads

MareSynchronosServer/MareSynchronosStaticFilesServer/Services/FileCleanupService.cs

@@ -59,6 +59,8 @@ public class FileCleanupService : IHostedService
 
             if (_isMainServer)
             {
+                CleanUpStuckUploads(dbContext);
+
                 await dbContext.SaveChangesAsync(ct).ConfigureAwait(false);
             }
 
@@ -72,6 +74,12 @@ public class FileCleanupService : IHostedService
         }
     }
 
+    private void CleanUpStuckUploads(MareDbContext dbContext)
+    {
+        var stuckUploads = dbContext.Files.Where(f => !f.Uploaded && f.UploadDate < DateTime.UtcNow.Subtract(TimeSpan.FromMinutes(10)));
+        dbContext.Files.RemoveRange(stuckUploads);
+    }
+
     private void CleanUpFilesBeyondSizeLimit(MareDbContext dbContext, CancellationToken ct)
     {
         var sizeLimit = _configuration.GetValueOrDefault<double>(nameof(StaticFilesServerConfiguration.CacheSizeHardLimitInGiB), -1);