Fix apply_db_loggers when used by indico-migrate
Fix apply_db_loggers when used by indico-migrate

Accessing the config from the migration script is prohibited

indico/indico,indico/indico,mvidalgarcia/indico,DirkHoffmann/indico,mvidalgarcia/indico,pferreir/indico,mic4ael/indico,pferreir/indico,mic4ael/indico,DirkHoffmann/indico,OmeGak/indico,indico/indico,DirkHoffmann/indico,pferreir/indico,pferreir/indico,ThiefMaster/indico,mvidalgarcia/indico,ThiefMaster/indico,DirkHoffmann/indico,OmeGak/indico,OmeGak/indico,indico/indico,OmeGak/indico,mvidalgarcia/indico,ThiefMaster/indico,mic4ael/indico,mic4ael/indico,ThiefMaster/indico