chg: [sightings] Hover sighting UI improvement
chg: [sightings] Hover sighting UI improvement

MISP/MISP,FloatingGhost/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,MISP/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,MISP/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,FloatingGhost/MISP