Auto upload not working for existing folder and maual syc throws an exeption

### ⚠️ 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

android: Add auto sync folder, then interrupt the upload by e.g. activating battery optimization or revokig file access for the nextcloud app, then reeable it. It will never start uplisding again. adding new dirs for autosync works, but the existing ones are stuck forever. clicking on synchronize for the respective folder throws Accesing result data after operation failed exeption

### Expected behaviour

.

### Actual behaviour

see above

### Android version

13

### Device brand and model

OnePlus 8 Pro

### Stock or custom OS?

Stock

### Nextcloud android app version

17.6.2025

### Nextcloud server version

31.0.6

### Using a reverse proxy?

Yes

### Android logs

_No response_

### Server error logs

```bash

```

### Additional information

_No response_