fix: [rest-client] Do not raise exception for not site admin
fix: [rest-client] Do not raise exception for not site admin

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