[FIX] Fix editing rooms without uploading an image
[FIX] Fix editing rooms without uploading an image

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