* find artist by multivalued exact match, instead of 'artist' field
* check if lyrics are not empty
* refactor(filters): rename function to better reflect its purpose
Signed-off-by: Deluan <deluan@navidrome.org>
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Signed-off-by: Deluan <deluan@navidrome.org>
Co-authored-by: Deluan <deluan@navidrome.org>