fix: Fixed an issue with false positive sightings throwing notice errors on the event view
fix: Fixed an issue with false positive sightings throwing notice errors on the event view

- caused by the false positive sightings data being aggregated in the event level sparkline without the correct dates being set
- solution is to remove the false positive data from being entered in the sparkline, the goal of it is only to show sightings anyway.

devnull-/MISP,Rafiot/MISP,FloatingGhost/MISP,SteveClement/MISP,FIRSTdotorg/MISP,MISP/MISP,TheDr1ver/MISP,FloatingGhost/MISP,devnull-/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,TheDr1ver/MISP,SteveClement/MISP,FloatingGhost/MISP,Rafiot/MISP,SteveClement/MISP,TheDr1ver/MISP,FloatingGhost/MISP,MISP/MISP,MISP/MISP,FIRSTdotorg/MISP,Rafiot/MISP,TheDr1ver/MISP,MISP/MISP,SteveClement/MISP,devnull-/MISP,Rafiot/MISP,SteveClement/MISP,devnull-/MISP,MISP/MISP