Description:

After added a Multi DMs I can't invite others agents to OmniChannel (Livechat) room via /invite @username

Steps to reproduce:

1. Open Omnichannel room
2. Take it
3. execute command /invite @username

Expected behavior:

the user added to omnichannel room

Actual behavior:

Nothing happens

Server Setup Information:

• Version of Rocket.Chat Server: 3.1.3
• Operating System: Debian
• Deployment Method: Docker
• Number of Running Instances: 1
• DB Replicaset Oplog: enabled
• NodeJS Version: 12.16
• MongoDB Version: 4.0

Client Setup Information

• Desktop App or Browser Version:
• Operating System:

Additional context

I think that roomTipe for Livechats not added and a method allowMemberAction always returns false