UHF-11373: Fixed function that removes news filters

[annadruid]

UHF-11373

What was done

• Fixed issue where the first news filter got always removed even though second or third etc was pressed

How to install

• Make sure your Etusivu 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-11373
• If there's only a few news items run drush sapi-rt; drush sapi-c; drush sapi-i; drush cr
• Run make drush-cr

How to test

• Go to https://helfi-etusivu.docker.so/fi/uutiset and add some filters to the search
• Test that you can remove the filters correctly and that the search results update correctly
• 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]

✅ Tests passed! You can check the output here: https://city-of-helsinki.github.io/drupal-hdbt-visual-regression/pull/1179/html_report/

[teroelonen]

This works nicely 🦖