[Bug]: `--background` not working

### ⚠️ 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

I am autostarting nextcloud on linux with --background, but it still opens the window and does not minimize to tray.

### Steps to reproduce

1. Start nextcloud client with --background

### Expected behavior

Well, that the app does not show up on start or when using --background.

### Which files are affected by this bug

?

### Operating system

Linux

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

Arch with Gnome as DE

### Package

Distro package manager

### Nextcloud Server version

-

### Nextcloud Desktop Client version

2:3.9.0-2

### 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 Enabled

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

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

### Nextcloud Server logs

```shell
?
```

### Additional info

[background_bug.zip](https://github.com/nextcloud/desktop/files/12138935/background_bug.zip)