Moved tracks to the new put mechanism

ref #39

src/controllers/TrackController.ts

@@ -72,7 +72,7 @@ export class TrackController {
 			throw new TrackIdsNotMatchingError();
 		}
 
-		await this.trackRepository.update(oldTrack, track);
+		await this.trackRepository.save(track);
 		return new ResponseTrack(track);
 	}