get label files more carefully

put warning min log level
put filename to the title

Azaion.Annotator/PlayerControlHandler.cs

@@ -182,6 +182,7 @@ public class PlayerControlHandler(LibVLC libVLC, MediaPlayer mediaPlayer, MainWi
 
         mediaPlayer.Stop();
         mediaPlayer.Play(new Media(libVLC, fileInfo.Path));
+        mainWindow.Title = $"Azaion Annotator - {fileInfo.Name}";
         mainWindow.BlinkHelp(HelpTexts.HelpTextsDict[HelpTextEnum.PauseForAnnotations]);
     }