canot close admin run mode

### Microsoft PowerToys version

0.99.1

### Installation method

PowerToys auto-update

### Area(s) with issue?

General

### Steps to reproduce

After unchecking "Always run as administrator", closing and reopening the app still launches it with administrator privileges instead of a regular user account, which prevents Mouse Without Borders from modifying the device layout.

### ✔️ Expected Behavior

_No response_

### ❌ Actual Behavior

_No response_

### Upload Bug Report ZIP-file

_No response_

### Additional Information

OS Version: Microsoft Windows NT 10.0.26100.0
.NET Version: .NET 9.0.15
PowerToys is running as admin (elevated)
Install scope: per machine (system)
Operating System Language: 中文（中国）
System locale: zh-CN

### Other Software

_No response_

Start by reproducing the issue on Windows 11 with PowerToys 0.99.1, the per-machine installation, and the listed .NET and locale details. Check the app state after unchecking “Always run as administrator” and reopening it. Done means PowerToys restarts unelevated and Mouse Without Borders can modify the device layout.

Written by the indexing model from the issue text.