private static void HandleLeave(GameSession session, PacketReader packet)
    {
        int groupChatId = packet.ReadInt();

        GroupChat groupChat = GameServer.GroupChatManager.GetGroupChatById(groupChatId);

        if (groupChat is null)
        {
            return;
        }

        groupChat.RemoveMember(session.Player);
        session.Send(GroupChatPacket.Leave(groupChat));
        groupChat.BroadcastPacketGroupChat(GroupChatPacket.LeaveNotice(groupChat, session.Player));
    }