* fix local source cover changing * Remove unnecessary check for `exists()` * fix for when there is no thumbnail_url in the db (cherry picked from commit 10ddeeb7999214f1ed2fa579dadab7e9e379c1a6)
* fix local source cover changing * Remove unnecessary check for `exists()` * fix for when there is no thumbnail_url in the db (cherry picked from commit 10ddeeb7999214f1ed2fa579dadab7e9e379c1a6)