Make registration_state_updated signal consistent
Make registration_state_updated signal consistent

Also include `previous_state` kwarg when triggered during clone

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