fix(GlEmptyState): Add role img to empty state image

mentioned in commit ab62f04e

mentioned in merge request gitlab!64213 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2425 (merged)

mentioned in merge request status-page!309 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2427 (merged)

mentioned in merge request status-page!311 (merged)

mentioned in merge request gitlab!64619 (closed)

mentioned in merge request gitlab-docs!1958 (merged)

mentioned in merge request gitlab-docs!1959 (closed)

mentioned in merge request gitlab-docs!1968 (closed)