WebView data is not uninstalled with NSIS installer on windows

**Problem**

When uninstalling the app on Windows using the NSIS installer, the `app_name.exe.WebView2` folder is left behind.

**Steps To Reproduce**

Steps to reproduce the behavior:

- Copy an example desktop project.
- `dx bundle --release`
- Install the bundled app.
- Uninstall the app and check "Delete application data"

**Expected behavior**

All data should be deleted.

**Environment:**
- Dioxus version: 0.5.0-alpha.0
- Rust version: 1.75.0
- OS info: Windows 10
- App platform: `desktop`