Add Open Channels support

[mesilov]

Description

• https://training.bitrix24.com/rest_help/imopenlines/operators/index.php
• https://training.bitrix24.com/rest_help/imopenlines/session/index.php
• https://training.bitrix24.com/rest_help/imopenlines/message/index.php
• https://training.bitrix24.com/rest_help/imopenlines/crm/index.php

Example

No response