Fix filenames on webdav issue

internal/torrent/manager.go

@@ -26,7 +26,6 @@ type TorrentManager struct {
 	checksum        string
 	api             *realdebrid.RealDebrid
 	workerPool      chan bool
-	mu              *sync.Mutex
 	log             *zap.SugaredLogger
 }
 
@@ -40,7 +39,6 @@ func NewTorrentManager(cfg config.ConfigInterface, api *realdebrid.RealDebrid) *
 		requiredVersion: "10.11.2023",
 		api:             api,
 		workerPool:      make(chan bool, cfg.GetNumOfWorkers()),
-		mu:              &sync.Mutex{},
 		log:             logutil.NewLogger().Named("manager"),
 	}
 
@@ -99,11 +97,7 @@ func NewTorrentManager(cfg config.ConfigInterface, api *realdebrid.RealDebrid) *
 		}
 
 		// get filenames
-		var filenames []string
-		torrent.SelectedFiles.IterCb(func(_ string, file *File) {
-			filenames = append(filenames, file.Path)
-		})
-
+		filenames := torrent.SelectedFiles.Keys()
 		// Map torrents to directories
 		switch t.cfg.GetVersion() {
 		case "v1":