BUG: None of the settings are saving upon restart

### Checks

- [x] I have checked that this issue has not already been reported.

- [x] I am using the latest version of Flow Launcher.

- [ ] I am using the prerelease version of Flow Launcher.

### Problem Description

It just wont save ANY settings, from plugins, to Flow Launchers own 'General' settings upon closing the app and opening it again. I have to keep reselecting the default file manager, and none of my plugin settings and prefixes are staying the same.

Happy to pay to get this fixed asap as Flow is super important to me! Thanks

### To Reproduce

Idk? It just straight up doesn't save

### Screenshots

_No response_

### Flow Launcher Version

1.2

### Windows Build Number

10.0.26100.4202]

### Error Log

[2025-06-10.txt](https://github.com/user-attachments/files/20671675/2025-06-10.txt)