Inconsistency in folder name display for V2 Encryption

### ⚠️ 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

1. Have Nextcloud v28 server
2. Use v2 Encryption method
3. Create encrypted folder
4. Upload file inside encrypted folder

### Expected behaviour

Folder name should be visible all the time correctly

### Actual behaviour

The folder name initially shows as "null" and then at some point later, it reverts back to its normal state.

### Android version

14

### Device brand and model

Android Emulator

### Stock or custom OS?

Stock

### Nextcloud android app version

3.29.0 Alpha 1

### Nextcloud server version

28.0.2

### Using a reverse proxy?

I don't know

### Android logs

_No response_

### Server error logs

_No response_

### Additional information

_No response_