VSCode on MacOS does not respect custom `defaults write -g NSConvolutionOverride1 -float 1` corner / window border radius

- VS Code Version: 1.132.0 (Universal)
- OS Version: macOS 26.5.2 (25F84)

```
Version: 1.132.0 (Universal)
Commit: df53daabb18cd157bdb08c7f01c34df936cf12f4
Datum: 2026-08-04T15:30:20Z (Vor 5 Tagen)
Electron: 42.7.1
ElectronBuildId: 14760073
Chromium: 148.0.7778.280
Node.js: 24.18.0
V8: 14.8.178.38-electron.0
Betriebssystem: Darwin arm64 25.5.0
```

Steps to Reproduce:

1. run `defaults write -g NSConvolutionOverride1 -float 1`
2. run VSCode
3. You will see the regular corner (here: dark mode grey) and the window corner underneath (here: top left corner in light grey)