openforms-list does not respect the design token --utrecht-data-list-item-value-color

[SilviaAmAm]

This is because of this:

open-forms-sdk/src/scss/components/_list.scss

Line 41 in e3eb550

@include body;

Which uses black as default.

Example from the summary page where we have a selectboxes component:

[sergei-maertens]

I want to get rid of those microscope-sass mixins anyway, so this can be picked up by anyone who feels like it :)