make media folder detection worker silent

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

Author: alperozturk96

app/src/main/java/com/nextcloud/client/jobs/MediaFoldersDetectionWork.kt

@@ -221,7 +221,6 @@ class MediaFoldersDetectionWork(
             .setAutoCancel(true)
             .setSound(null)
             .setVibrate(null)
-            .setOnlyAlertOnce(true)
             .setSilent(true)
             .setContentIntent(pendingIntent)