Unified Search settings not respected

### ⚠️ Before posting ⚠️

- [x] This is a **bug**, not a question or an enhancement.
- [x] I've [searched for similar issues](https://github.com/nextcloud/android/issues) and didn't find a duplicate.
- [x] I've written a clear and descriptive title for this issue, not just "Bug" or "Crash".
- [x] I agree to follow Nextcloud's [Code of Conduct](https://nextcloud.com/contribute/code-of-conduct/).

### Steps to reproduce

1. Connect a Github-account via web-interface.
2. Disable "Enable searching for repositories" and "Enable searching for issues and pull requests".
3. Verify that no Github results turn up in web-interface.
4. Search in Android app and get results for repositories and issues and pull requests.

### Expected behaviour

No search results for Github are shown.

### Actual behaviour

Search in Android app returns results for repositories and issues and pull requests.

### Android version

15

### Device brand and model

Google Pixel 9 Pro

### Stock or custom OS?

Stock

### Nextcloud android app version

3.31.4

### Nextcloud server version

31.0.4

### Using a reverse proxy?

Yes

### Android logs

_No response_

### Server error logs

```bash

```

### Additional information

_No response_