[FIX] Exception in protection and tool tabs
[FIX] Exception in protection and tool tabs

 - Fix: exception when tried to open these tabs with paper reviewing staff users.

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