fix(GlToast): Event listener memory leak

mentioned in commit fefbb8cf

mentioned in merge request gitlab!85109 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2811 (merged)

mentioned in merge request status-page!492 (merged)

mentioned in merge request gitlab-docs!2578 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2821 (merged)

mentioned in merge request status-page!493 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2823 (closed)

mentioned in merge request gitlab!85596 (merged)