minor fix: playingbar is not set correctly when queue is empty

playingbar.go

@@ -67,6 +67,7 @@ func (p *PlayingBar) run() error {
 		if progress > full || p.skip {
 			p.skip = false
 			p.setProgress(0)
+			p.subtitle = nil
 			break
 		}
 

start.go

@@ -413,6 +413,8 @@ func start(application *tview.Application, args Args) {
 			if err != nil {
 				logError(err)
 			}
+		} else {
+			gomu.playingBar.setDefault()
 		}
 	})