Installing 0.100.0 switches Windows to light mode system wide

### Microsoft PowerToys version

0.100.0

### Installation method

GitHub

### Area(s) with issue?

General

### Steps to reproduce

1. Install 0.100.0
2. During installation, observe Windows 10 switching to light mode

### ✔️ Expected Behavior

Installing this tool should not under any circumstances change anything about the OS config!!!

### ❌ Actual Behavior

Catastrophic failure of tool install process causing OS to switch to light mode

### Upload Bug Report ZIP-file

_No response_

### Additional Information

_No response_

### Other Software

_No response_

Start by reproducing the 0.100.0 installation on Windows 10 and inspect the installation behavior and available logs for any system theme changes. Done means the installer completes without switching Windows from dark mode to light mode or otherwise changing the OS configuration.

Written by the indexing model from the issue text.