fix(GlKeysetPagination): Fix spacing between buttons

mentioned in commit 3e79a881

mentioned in merge request gitlab-org/frontend/playground/accessibility-scanner!67 (closed)

mentioned in merge request gitlab-svgs!1135 (merged)

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!367 (merged)

mentioned in merge request gitlab-svgs!1136 (closed)

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1652 (merged)

mentioned in merge request gitlab!187272 (merged)

mentioned in merge request status-page!903

mentioned in merge request gitlab!187567 (merged)

mentioned in merge request gitlab-svgs!1138 (merged)

mentioned in merge request gitlab!187905 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!4379 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!4385 (merged)

mentioned in merge request gitlab-org/frontend/playground/accessibility-scanner!70 (merged)

mentioned in merge request gitlab-org/frontend/playground/accessibility-scanner!71 (merged)

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1680 (merged)

mentioned in merge request gitlab-org/technical-writing/docs-gitlab-com!682 (closed)

mentioned in merge request gitlab-org/technical-writing/docs-gitlab-com!683 (merged)