UHF-11619: Fixed hearings paragraph styles

[annadruid]

UHF-11619

What was done

• Changed hearing paragraph count styles to match with other similar listings

How to install

Test for example in etusivu

• Make sure your 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-11619
• Run make drush-cr

How to test

• Create or edit a landing page, add a hearings paragraph there
• Make sure the count styles match these https://www.figma.com/design/ZKi4C7RaTaNk991EL1whE3/Hel.fi-Komponentit?node-id=5360-425&p=f&t=wSLxSIxAN770bYe7-0
• Make sure that the count h3 is not visible if there's only one hearing (you can test this by changing the hearings_count variable in paragraph--hearing.twig.html on row 19 to 1)
• 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

Translations

• Translations have been added to .po -files and included in this PR

[github-actions]

✅ Tests passed! You can check the output here: https://city-of-helsinki.github.io/drupal-hdbt-visual-regression/pull/1227/html_report/

[teroelonen]

This works well 🦖