fix(audio-share): mix newly created audio track with screen audio (#11325)
fix(audio-share): mix newly created audio track with screen audio (#11325)

* mix newly created audio track with screen audio

* check both screen sharing flows
jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet,jitsi/jitsi-meet