[8.0] [XY] Defaults the point size to 1 and corrects the vislib migrations (#118994)#120717

kibanamachine merged 1 commit intoelastic:8.0elastic/kibana:8.0from

kibanamachine:backport/8.0/pr-118994kibanamachine/kibana:backport/8.0/pr-118994Copy head branch name to clipboard