Match product code styling in live-example previews

Chad Lavimoniererequested to merge
3656-live-example-inline-code-product-style into main

Closes #3656

Before and after

The destructive confirmation example on http://localhost:2018/components/modal, same crop in both, taken with the modal open.

Before After
modal-before modal-after

Docs prose on the same page, the paragraph above that example:

prose-unchanged

Edited by Chad Lavimoniere

Merge request reports