Description:

I've installed a fresh instance of Rocket.Chat 0.61 on Ubuntu 16.04 with snapd and when i'm in a private chat with someone, I can't see the "Call Button" for start an audio or a video call anywhere (WebRTC is set).

Server Setup Information:

• Version of Rocket.Chat Server: 0.61.0
• Operating System: Ubuntu Server 16.04 (fresh install)
• Deployment Method(snap/docker/tar/etc): snap (i've tried docker too)
• Number of Running Instances: 1
• DB Replicaset Oplog: Activated
• Node Version: 8.8.1

Steps to Reproduce:

1. Run a VM with Ubuntu 16.04
2. Run in a terminal "sudo snap install rocketchat-server"
3. Go to http://:3000
4. Create an account
5. Ask a Friend or take a second device to create a second account
6. Try to launch a call

Expected behavior:

The buttons "Call" is displayed in the user section.

Actual behavior:

Impossible to find the button anywhere. I can only use the Jitsi call feature.