Describe the bug

Nextcloud 32.0.1, Contacts 8.0.6 -> It is not possible to sort contacts different than default.

Steps to reproduce

1. Go to contacts and settings
2. Click on general settings and select for example family name ("Nachname", I use nextcloud in german version, maybe the english title is different)
3. Close settings and refresh page
4. Nothing changes, contacts stay sorted by first name.

Expected behavior

Sorting changes, family name is displayed first.

Actual behavior

Contacts stay sorted by first name.

Contact version

8.0.6

Operating system

Webhosting, Linux 6.1.0-27-amd64 x86_64

PHP engine version

PHP 8.3

Web server

None

Database

MySQL

Additional info

Thank you in advance.