* media_player.kodi extra attributes for tvshow and music media
* removed extra whitespaces/CR
* Kodi - add extra attributes #6250 (removed music attributes)
* Restored music attributes, this is ready for merge
* linting amended
* Fix Kodi artist support
* Copy-paste error
* Fix for non-music artist lookup
Kodi returns an emtpy list on videos, so we need to be able to
handle that as well.