fix DiscNumber error

main_atmos.go

@@ -1353,8 +1353,8 @@ func rip(albumId string, token string, storefront string, userToken string) erro
 			"{SongId}", track.ID,
 			"{SongNumer}", fmt.Sprintf("%02d", trackNum),
 			"{SongName}", track.Attributes.Name,
-			"{DiscNumber}", string(track.Attributes.DiscNumber),
+			"{DiscNumber}", fmt.Sprintf("%0d", track.Attributes.DiscNumber),
-			"{TrackNumber}", fmt.Sprintf("%02d", track.Attributes.TrackNumber),
+			"{TrackNumber}", fmt.Sprintf("%0d", track.Attributes.TrackNumber),
 			"{Quality}", Quality,
 			"{Codec}", "Atmos",
 			"{Tag}", Tag_string,

main_select.go

@@ -1362,8 +1362,8 @@ func rip(albumId string, token string, storefront string, userToken string) erro
 				"{SongId}", track.ID,
 				"{SongNumer}", fmt.Sprintf("%02d", trackNum),
 				"{SongName}", track.Attributes.Name,
-				"{DiscNumber}", string(track.Attributes.DiscNumber),
+				"{DiscNumber}", fmt.Sprintf("%0d", track.Attributes.DiscNumber),
-				"{TrackNumber}", fmt.Sprintf("%02d", track.Attributes.TrackNumber),
+				"{TrackNumber}", fmt.Sprintf("%0d", track.Attributes.TrackNumber),
 				"{Quality}", Quality,
 				"{Codec}", "ALAC",
 				"{Tag}", Tag_string,