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

mentioned in commit be68173b

mentioned in merge request status-page!804 (merged)

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

mentioned in merge request gitlab-docs!3926 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!3415 (merged)

mentioned in merge request status-page!807 (merged)

mentioned in merge request gitlab!122801 (closed)

mentioned in merge request gitlab!122120 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!3424 (merged)

mentioned in merge request gitlab-docs!3959 (merged)