[FIX] Conference RB room details crash
[FIX] Conference RB room details crash

- Closes #1337

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