Enables simulcast by default.
Enables simulcast by default.

jiyeyuran/lib-jitsi-meet,dmurtari/lib-jitsi-meet,dmurtari/lib-jitsi-meet,adambowles/lib-jitsi-meet,damencho/lib-jitsi-meet,jitsi/lib-jitsi-meet,jitsi/lib-jitsi-meet,adambowles/lib-jitsi-meet,nevermind-corp/ljm