UHF-9214 Visual regression tests for Events list paragraph

[khalima]

UHF-9214

What was done

• Added fixtures to a variable for the JS.
• Use Event list paragraph in visual regression tests.
• Use the data from fixtures if the 'use_fixtures' variable is set.

How to test

• Check installation and test instructions from platform config: UHF-9214 Linked events to support fixtures drupal-helfi-platform-config#767
• 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

Other PRs

• UHF-9214 Linked events to support fixtures drupal-helfi-platform-config#767

[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/995/html_report/

[khalima]

The CI Test will fail until the City-of-Helsinki/drupal-helfi-platform-config#767 PR is merged.