Crash when shutting down Windows 11 ARM VM

**Describe the issue**
In UTM I had two Windows 11 ARM VM's running and shut down the first one using the Windows shutdown button. While trying to shut down the second Windows 11 ARM VM, UTM crashed.

**Configuration**
* UTM Version: 4.7.0 (109)
* macOS Version: macOS Sequoia 15.5
* Mac Chip (Intel, M1, ...): Apple Silicon M1 Pro

**Crash log**
If the app crashed, you need a crash log. To get your crash log, open Console.app, go to `Crash Reports`, and find the latest entry for either UTM, QEMU, QEMUHelper, or qemu-\*. Right click and choose `Reveal in Finder`. Attach the report here.

[UTM-2025-07-16-224609.txt](https://github.com/user-attachments/files/21283466/UTM-2025-07-16-224609.txt)

**Debug log**
n/a

**Upload VM**
n/a