[Bug]: Sync Client lost all my configurations

### ⚠️ Before submitting, please verify the following: ⚠️

- [x] This is a **bug**, not a question or a configuration issue.
- [x] This issue is **not** already reported on Github (I've searched it).
- [x] Nextcloud Server and Desktop Client are **up to date**. See [Server Maintenance and Release Schedule](https://github.com/nextcloud/server/wiki/Maintenance-and-Release-Schedule) and [Desktop Releases](https://nextcloud.com/install/#install-clients) for supported versions.
- [x] I agree to follow Nextcloud's [Code of Conduct](https://nextcloud.com/contribute/code-of-conduct/)

### Bug description

Client lost configuration

### Steps to reproduce

1. The sync client always run in the background
2. Yesterday evening I shut down the system
3. Today when I started the sync client the setup wizard popped up
4. If I look at ~/.local/share/Nextcloud I only see log files. The config file is gone.

### Expected behavior

Configuration should not be lost

### Which files are affected by this bug

all

### Operating system

Linux

### Which version of the operating system you are running.

Ferdora 41

### Package

Official Linux AppImage

### Nextcloud Server version

30.0.8 (private) and 31.0.2 (c.nc.com)

### Nextcloud Desktop Client version

3.16.2

### Is this bug present after an update or on a fresh install?

Fresh desktop client install

### Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

### Are you using an external user-backend?

- [ ] Default internal user-backend
- [ ] LDAP/ Active Directory
- [ ] SSO - SAML
- [ ] Other

### Nextcloud Server logs

```shell

```

### Additional info

_No response_