fix(ChartTooltip): restore right placement by default

mentioned in commit 7074982e

mentioned in merge request gitlab!85109 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2816 (merged)

mentioned in merge request status-page!492 (merged)

mentioned in merge request gitlab-docs!2578 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2821 (merged)

mentioned in merge request status-page!493 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2823 (closed)

mentioned in merge request gitlab!85596 (merged)