The metadata is comming from server with { name: metaname, value: metavalue }, which is not compatible with
getFromMeetingSettings, so it's not reading corretly.
Convert it before storing.
Undefined by default means that the governing configuration is in bbb-webrtc-sfu
Also add some inline docs in settings.yml about the media server adapter configs
Applies to video, listen only and screen sharing
New metadata values: media-server-video, media-server-listenonly, media-server-screenshare; parameter is a String