[music] insert the cached track only if it not in database, else ignore

app/src/main/java/ru/vtosters/lite/music/downloader/PlaylistDownloader.java

@@ -9,7 +9,6 @@ import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import ru.vtosters.lite.music.Callback;
-import ru.vtosters.lite.music.cache.CacheDatabaseDelegate;
 
 public class PlaylistDownloader {
     public static void downloadPlaylist(List<MusicTrack> playlist, String playlistName, String path, Callback callback) {
@@ -59,7 +58,6 @@ public class PlaylistDownloader {
                 public void onSuccess() {
                     var currentProgress = downloadedTracks.incrementAndGet();
                     callback.onProgress(currentProgress);
-                    CacheDatabaseDelegate.insertTrack(musicTrack);
                 }
 
                 @Override

app/src/main/java/ru/vtosters/lite/music/downloader/TrackDownloader.java

@@ -26,6 +26,7 @@ public class TrackDownloader {
 
         var path = FileCacheImplementation.getTrackFolder(LibVKXClient.asId(track)).getAbsolutePath();
         download(track, path, callback, M3UDownloader.getInstance(), true);
+        CacheDatabaseDelegate.insertTrack(track);
     }
 
     private static void download(MusicTrack track, String path, Callback callback, ITrackDownloader downloader, boolean cache) {