lowerHand method
Implementation
void lowerHand(String? identity) {
if (identity == null) return;
if (room.localParticipant?.identity == identity) {
setMyHandRaised(false);
sendAction(ActionModel(action: MeetingActions.stopRaiseHand));
} else {
sendPrivateAction(ActionModel(action: MeetingActions.lowerHand), identity);
}
}