Bug: Topic page promotion cards gets white text (on white background) when choosing mid blue background

[meols]

The text on topic page promotion cards is white, which makes the text invisible. The text should be black. Testet in both prod and dev (https://web-global-development-equinor-web-sites-dev.c2.radix.equinor.com/test/mette-test-1 - bottom of the page)

[millianapia]

this gets fixed in #2424