* fix(video): determine svc/simulcast from SDP for advanced codecs
* fix(explicit-svc): cleanup
* fix(explicit-svc): remove from list on close/remove
* fix(explicit-svc): reorder VLS selection, cleanup
* fix(explicit-svc): todo comments for temporal layer selector
* fix(explicit-svc): remove from simulcastTrackIds even if client does not support unpublish