Live Chat
User
The user will be able to join support channels.
Administrator
The user will be able to delete support channels.
discuss.channel: livechat manager can read all livechat channels
[('channel_type', '=', 'livechat')]
discuss.channel.member: livechat manager can read all livechat channel members
[('channel_id.channel_type', '=', 'livechat')]