Cannot change settings, password required, but no accounts have a password (oauth)

Description:

We use Keycloak OAuth.

I cannot change any settings without a password, but my account does not have a password.

This has been reported as an issue in the Forums, it's been this way likely forever.

Steps to reproduce:

1. Set up Rocket Chat with OAuth system
2. Log into Rocket Chat as an admin
3. Attempt to edit any admin settings, and press save changes

Expected behavior:

To be able to change administrator settings

Actual behavior:

Cannot change settings without entering a password that doesn't exist

Server Setup Information:

• Version of Rocket.Chat Server: 6.6.6
• Operating System: Linux
• Deployment Method: docker
• Number of Running Instances: 1
• DB Replicaset Oplog: ?
• NodeJS Version: ?
• MongoDB Version: 4.4

Client Setup Information

• Desktop App or Browser Version: 3.9.14 desktop app
• Operating System: macOS

Additional context

N/A

Relevant logs:

N/A

Start by reproducing the administrator settings save flow with Keycloak OAuth, as described in the issue, and confirm which password check blocks the save. Trace the settings form and server-side authorization path from that reproduction. Done means an OAuth-only administrator can save settings without being asked for a nonexistent password, with coverage for this setup.