Bug: Can't remove mapped network folder

### Description

Once a network folder has been mapped, there's no option to unmap it under "Show more options."

### Steps To Reproduce

1. Map a network folder
2. Restart Files to get it to show up
3. Right click the mapped folder on the home page
4. No option shows up to delete it

### Files Version

4.0.38.0

### Windows Version

Windows 11 Pro (25H2) 26200.8039

### User ID

d20ff4c6-5c87-4097-a077-58064f3d65cc

### Log File

[debug.log](https://github.com/user-attachments/files/26507147/debug.log)