Previously choosed DNS server changes it's name back to "default" after re-login

[KolbasovAnton]

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• [X] I am running the latest version
• [X] I checked the documentation and found no answer
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AdGuard VPN version

2.3.0 nightly 29

Operating mode

VPN

Environment

- OS: Windows 11 23H2.

Issue Details

Steps to reproduce:

1. Run AG VPN and choose AG DNS Family Protection (Settings -> App settings -> DNS servers).
2. Connect to any location and check the AdGuard's test page.
3. Log out and log in to the same account.
4. Check the App settings.
5. Connect to any location and check the test page.

Expected Behavior

The name in settings and actual DNS server remains the same.

Actual Behavior

4. DNS server's name changed back to "default".
5. Despite this, test page shows that AG DNS Family Protection server is still choosed and working.

Screenshots

No response

Additional Information

Also appears on 2.3 beta 2 and 2.3 RC.