fix: Do the centering after the screenshot is shown
fix: Do the centering after the screenshot is shown

- otherwise it returns 0 as the width

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