[fix] trakt_api - make sure get_db_actors always return a list. Closes #2695
[fix] trakt_api - make sure get_db_actors always return a list. Closes #2695

Flexget/Flexget,ianstalk/Flexget,crawln45/Flexget,crawln45/Flexget,ianstalk/Flexget,crawln45/Flexget,crawln45/Flexget,Flexget/Flexget,Flexget/Flexget,Flexget/Flexget,ianstalk/Flexget