chg: [internal] Faster loading sightings if the same attribute is requested
chg: [internal] Faster loading sightings if the same attribute is requested

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