Impossible to access the SD Card for adding auto-upload folder

### ⚠️ 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

Go to Settings->Auto Upload->Define a new folder
Local folder/Storage/sdcard always show the phone directory

### Expected behaviour

Access to SD Card folder for set my Backup folder to auto-upload

### Actual behaviour

Backup folder on SD card don't auto upload

### Android version

11

### Device brand and model

Ulefone Armor 8 Pro

### Stock or custom OS?

Stock

### Nextcloud android app version

3.30.5

### Nextcloud server version

30.0.2

### Using a reverse proxy?

I don't know

### Android logs

_No response_

### Server error logs

```bash

```

### Additional information

It was working before the 3.30.2 version. With the data consumption problem, I remove the app. When I reinstall the 3.30.3 version, I was not able to add my Backup folder which contain differents type of files (Signal backup, SMS backup...)