Settings screen scroll position resets after device rotation

### ⚠️ 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

Description:
When rotating the device while viewing the Settings screen, the scroll position resets to the top.

Steps to Reproduce:
1. Open Nextcloud Android app
2. Navigate to Settings
3. Scroll down to any option
4. Rotate device (portrait ↔ landscape)

Expected Behavior:
The scroll position should be preserved across configuration changes.

Actual Behavior:
The screen scrolls back to the top after rotation.

Environment:
- App version: latest Play Store version
- Android version: 13
- Device: Emulator (Pixel 5, API 33)

Additional Notes:
This affects usability on long settings pages.

### Expected behaviour

The scroll position in the Settings screen should be preserved when the device orientation changes.

### Actual behaviour

After rotating the device, the Settings screen scrolls back to the top, losing the previous position.

### Android version

13

### Device brand and model

Google Pixel 5

### Stock or custom OS?

Stock

### Nextcloud android app version

Latest version from Google Play Store (tested on Jan 2026)

### Nextcloud server version

Not tested against a specific server version. Issue observed in the Android client UI without active server interaction.

### Using a reverse proxy?

No

### Android logs

_No response_

### Server error logs

```bash

```

### Additional information

Observed consistently on emulator. This impacts usability when navigating long settings lists.