Refused to load the image

[jrieken]

• start cpp dev container
• rename a symbol and make sure that refactor preview shows
• 🐛 there are no category icons and below CSP errors on the console

Refused to load the image 'vscode-remote://dev-container+2f55736572732f6a7269656b656e2f436f64652f7673636f64652d6465762d636f6e7461696e6572732f636f6e7461696e6572732f637070/home/vscode/.vscode-server-insiders/extensions/ms-vscode.cpptools-1.1.3/assets/ref-comment-light.svg' because it violates the following Content Security Policy directive: "img-src 'self' https: data: blob: vscode-remote-resource:".

[jrieken]

This isn't using the asCSSUrl-util