[Bug]: macOS VFS selected all folders from standard file sync after desktop client update

### ⚠️ 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

**ignoring the selected folders**
I had macOS VFS Desktop client 3.17.2 with standard fle sync with few folders selected to sync.
After updating the client to 4.0.1, it selected all folders and started syncing filling up my drive!

### Steps to reproduce

1. Install macOS VFS Client 3.17.2
2. Use standard file sync and select some folders to sync
3. Update the client to 4.0.1

### Expected behavior

the selection of the folders to sync should be kept.

### Which files are affected by this bug

all files

### Operating system

macOS

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

26.0.1

### Package

Official macOS Virtual files 12+ universal pkg

### Nextcloud Server version

31.0.10

### Nextcloud Desktop Client version

4.0.1

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

Updated to a major version (ex. 3.16.3 to 3.17.0)

### 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_