Fix directory iteration issues

internal/torrent/repair.go

@@ -281,7 +281,7 @@ func (t *TorrentManager) repair(torrent *Torrent, wg *sync.WaitGroup) {
 	totalBatches := int(math.Ceil(float64(len(brokenFiles)) / 100))
 	t.repairLog.Infof("Torrent %s will be repaired by downloading %d batches of the %d broken files", t.GetKey(torrent), totalBatches, len(brokenFiles))
 
-	newlyDownloadedIds := make([]string, 0)
+	newlyDownloadedIds := []string{}
 	batchNum := 1
 	brokenFileIDs := getFileIDs(brokenFiles)
 	var group []string
@@ -300,7 +300,7 @@ func (t *TorrentManager) repair(torrent *Torrent, wg *sync.WaitGroup) {
 				return
 			}
 			newlyDownloadedIds = append(newlyDownloadedIds, redownloadedInfo.ID)
-			group = make([]string, 0)
+			group = []string{}
 		}
 	}