fix: [UI] Do not show extend this event button when user don't have permission to do that
fix: [UI] Do not show extend this event button when user don't have permission to do that

SteveClement/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP