app crashed during mp3 playback

### ⚠️ 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

Was intermittent NOT reproducible .
I tapped on the mp3 file icon in nextcloud app. Audio started but app crashed about 20 seconds iin.
WORKING FINE NOW.

### Expected behaviour

Mp3 audio would continue playing in background while using app. Instead it stopped.

### Actual behaviour

An exception log appeared onscreen.

### Android version

16

### Device brand and model

Samsung a06

### Stock or custom OS?

Stock

### Nextcloud android app version

3.34.0

### Nextcloud server version

30.0.17

### Using a reverse proxy?

I don't know

### Android logs

Odd. I only started filing this cos I thought the log would appear.
Next time i will be more careful and try to save the log

### Server error logs

```bash
If it repeats I will grab the server log.
For now is not reproducible.
```

### Additional information

Samsung a06 is a very slow phone.
Server ping is well over 200ms and about 10,000km away.