theme options disappear after switching to dark mode

[LoicMID]

Describe the bug
After switching to dark mode, the others theme options disappear, even after switching back to light mode
Windows and linux issues

To Reproduce
Steps to reproduce the behavior:

1. Go to support > preferences > theme
2. Click on "follow the theme of the OS (currently dark)"
3. When restarting, the options initially below "follow the theme of the OS" have disapeared
4. Sometimes by switching back to light or dark mode, these options appears again, but then disapear