Click to Join! button not showing in omnichat widget

Description:

Steps to reproduce:

Open a new chat with a guest using omnichannel widget
Set Jitsi Meet and open a new meet with the guest
Try to see the "Click to Join!" button in the widget window

Expected behavior:

https://i.ibb.co/6ZBr2bT/1.png https://i.ibb.co/x5x1WHw/2.png

Actual behavior:

https://i.ibb.co/YRXGKHm/2.png

Server Setup Information:

Version of Rocket.Chat Server: 3.11.0
Operating System: Debian Bustter
Deployment Method: docker
Number of Running Instances: 1
DB Replicaset Oplog: default
NodeJS Version: latest
MongoDB Version: 4.0

Client Setup Information

Desktop App or Browser Version: Browser Version
Operating System: Windows 10

Additional context:

Omnichat widget accept html so instead of Click to join button, something like :

'<button onclick="window.open('http://www.google.com')">Click to Join!</button>'

should Work

https://i.ibb.co/r4tjCqM/1.png https://i.ibb.co/RP7Kwjr/2.png

Relevant logs:

No logs

RocketChat / Rocket.Chat

Click to Join! button not showing in omnichat widget #20920