onSendIceCandidates method
Implementation
@override
void onSendIceCandidates(int userId, List<RTCIceCandidate>? iceCandidates) {
log("sendIceCandidates, _sdp = $cubeSdp");
MessageStanza iceCandidatesMessage = createIceCandidatesMessage(
cubeSdp,
userId,
iceCandidates!,
);
client.sendSignalingMessage(iceCandidatesMessage);
}