[Bug]: PROPFIND with broken url

### ⚠️ 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

The client seems to be creating broken urls:
https://server/remote.php/dav/files/user/nnaire
nnaire => Questionnaire

QNetworkReply::ContentNotFoundError "Server replied "404 Not Found" to "PROPFIND https://server/remote.php/dav/files/user/nnaire - Security"" QVariant(int, 404)

### Steps to reproduce

1. Open the share dialog
2. Check the logs for 404 errors

### Expected behavior

No 404 errors for existing files.

### Which files are affected by this bug

So far tests have been done with files/folders shared with the user

### Operating system

macOS

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

mac OS 15.5

### Package

Official macOS 12+ universal pkg

### Nextcloud Server version

31

### Nextcloud Desktop Client version

3.16.6

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

Updated from a minor version (ex. 3.4.2 to 3.4.4)

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

Encryption is Enabled

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

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

### Nextcloud Server logs

```shell

```

### Additional info

_No response_