fix bugs on new team page
- always use member.picture for anchor href. They are unique and always exist for people without twitter/gitlab links
- always listen or close events (clicked or escape pressed)
fixes #1221 (closed) fixes #1220 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
fixes #1221 (closed) fixes #1220 (closed)