fix(GlSearchBox*): Hide Chrome's cancel button

mentioned in commit ccb8d5c3

mentioned in merge request gitlab!79180 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2698 (merged)

mentioned in merge request status-page!453 (merged)

mentioned in merge request status-page!454 (merged)

mentioned in merge request gitlab-docs!2402 (merged)

mentioned in merge request gitlab-docs!2403 (closed)