New: Use filename without extension if SceneName is unavailable

Fixe #6639

src/NzbDrone.Core/MediaFiles/MovieFile.cs

@@ -41,7 +41,12 @@ namespace NzbDrone.Core.MediaFiles
 
             if (RelativePath.IsNotNullOrWhiteSpace())
             {
-                return System.IO.Path.GetFileName(RelativePath);
+                return System.IO.Path.GetFileNameWithoutExtension(RelativePath);
+            }
+
+            if (Path.IsNotNullOrWhiteSpace())
+            {
+                return System.IO.Path.GetFileNameWithoutExtension(Path);
             }
 
             return string.Empty;