Manual Sync Not Working for Sub Folders

### ⚠️ 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

• Create a folder.
• Add some files inside the folder.
• Create another folder inside the previous folder.
• Add some files to the nested folder.
• Attempt a manual sync.

### Expected behaviour

Folder and sub folder must be synced without any issue

### Actual behaviour

Sub folder are not syncing

### Android version

15

### Device brand and model

Emulator

### Stock or custom OS?

Stock

### Nextcloud android app version

3.30.6

### Nextcloud server version

29.0.4