Fix dropdown not closing if triggered on <button>
Fix dropdown not closing if triggered on <button>

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