Crash Transferring Files From Mobile To Remote NC Server

### ⚠️ 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

Choose a folder to upload to a remote NC server.
Begin to discover and surf files that you wish to upload next.
Navigate back to the "Uploads" section.

### Expected behaviour

Able to view the files being uploaded currently.

### Actual behaviour

Crash of the app.

### Android version

13

### Device brand and model

Samsung S20 Ultra 5G

### Stock or custom OS?

Stock

### Nextcloud android app version

3.31.3

### Nextcloud server version

Nextcloud Hub 10 (31.0.4)

### Using a reverse proxy?

Yes

### Android logs

_No response_

### Server error logs

```bash

```

### Additional information

_No response_