[Feature request] Add both with and height to the path

[pavliukpetro]

Hello, would be great to have with and height next to icon's body. I am using your fa-solid.json and not all of the icons have width, but its necessary for svg viewBox. Without it the icons look like this

[cyberalien]

But it does have it. See "Default values" section of https://docs.iconify.design/types/iconify-json.html