fix(GlAreaChart): Replace the getDom to getZr for supporting edge

mentioned in commit 5af8c8c7

mentioned in merge request gitlab!121070 (merged)

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!150 (merged)

mentioned in merge request status-page!796 (merged)

mentioned in merge request status-page!797 (closed)

mentioned in merge request status-page!798 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!3407 (merged)

mentioned in merge request gitlab-docs!3885 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!3408 (closed)

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!152 (merged)

mentioned in merge request gitlab!122801 (closed)