UHF-11878: Added nowrap for calculator sum

[annadruid]

UHF-11878

What was done

• Added white space no wrap for calculator sums

How to install

• Make sure your instance is up and running on latest dev-branch
  • git checkout dev && git pull origin dev
  • make fresh
• Update the HDBT theme
  • composer require drupal/hdbt:dev-UHF-11878
• Run code updates
  • make drush-locale-update drush-cr

How to test

•  See platform config pr
• Check that the code follows our standards
• Check that the differences in visual regression tests are appropriate

Links to related PRs

• UHF-11878: Changed translations and some changes to calculator results drupal-helfi-platform-config#1180

[Copilot]

Pull request overview

This PR adds CSS styling to prevent text wrapping in calculator sum displays by applying white-space: nowrap to the .helfi-calculator__receipt-subtotal-sum class.

• Added white-space: nowrap property to calculator subtotal sum elements

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[teroelonen]

This is good 🦖

[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-visual-regression/pull/1470/html_report/