CAS button disappear on restart rocketchat.

Description:

We use kubernetes solution to deploy rocketchat. When new pods start the CAS configuration not update ( cf screenshot ) . To find it again we must go to admin panel and update cas configuration ( For instance change text or size panel ).
we've find tihs issue https://github.com/RocketChat/Rocket.Chat/pull/17808 but our version is highter ( 3.10.3 ).

Before restart rocketchat:

After restart:

Steps to reproduce:

Configure CAs configuration
Make sure that work
Restart rocketchat instance.

Expected behavior:

CAS button must appear on login page.

Actual behavior:

CAS button not appear on login page.

Server Setup Information:

• Version of Rocket.Chat Server: 3.10.3
• Operating System:
• Deployment Method: kubernetes
• Number of Running Instances: 1 or many ( kubernetes autoscaling )
• DB Replicaset Oplog:
• NodeJS Version: v12.18.4
• MongoDB Version: 4.4.5

Client Setup Information

• Desktop App or Browser Version:
• Operating System:

Additional context

Relevant logs:

No file or test is named. First reproduce the issue by configuring CAS, restarting the Rocket.Chat instance in Kubernetes, and checking whether the CAS settings persist and the button appears on the login page. Done means the CAS button remains available after a pod restart without manually updating the configuration.