fix: [attribute:add] Prevent save for invalid sharing_groups ids
fix: [attribute:add] Prevent save for invalid sharing_groups ids

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