[Slash] Icons import problems with some marginal tools

[johnmeunier]

With some marginal tools (custom webpack config that uses resolve url loader, nextjs with turbopack, etc), the icon imports from the file "icons.scss" can have some issues

To fix that, it's possible to change the path to a relative path.

[johnmeunier]

For the moment, I will try to create a npm workspace to share common asset between design system