CardDAV only per account (when linked)

[CodeAlDente]

RainLoop version, browser, OS: 1.16.0

Expected behavior and actual behavior: I setup two mailboxes. One for personal things and for business. I've created one account to manage them and linked the business account into it. Now I want to use the CardDAV integration for the personal account only but it also shows up on the business account.

Steps to reproduce the problem:

1. Install RainLoop
2. Enable multi / additional (mailbox) accounts in admin settings
3. Enable contacts and remote sync in admin settings
4. Create first one by logging in with e.g. personal email
5. Put your credentials for CardDAV sync in user settings
6. In settings add one more email account
7. Switch to this account
8. You now see the contacts are "shared" due to the link of those both accounts