UHF-X fix 666666 color

[Arkkimaagi]

UHF-X

Color #666666 was changed to #595959 earlier, still some remaining spots with old color could be found.
One of the old colors can be seen on this address text.

What was done

• Switched to use fixed color instead of the HDS css variable with old color.

How to install

• Make sure your SOTE instance is up and running on latest dev branch.
  • git pull origin dev
  • make fresh
• Update the HDBT theme
  • composer require drupal/hdbt:dev-UHF-X_fix_666666_color
• Run make drush-cr

How to test

• Open this page in your local environment. Check that the color of the address text is now #595959
• Check that code follows our standards

Continuous documentation

• This feature has been documented/the documentation has been updated
• This change doesn't require updates to the documentation

[github-actions]

⚠️ Visual regression found! Please check if this change is wanted or accidental. You can check the output here: https://city-of-helsinki.github.io/drupal-hdbt/pull/940/html_report/

[teroelonen]

This works as it should 🦖