[JENKINS-75462] Use consistent style for configuration filter drop down

[ridemountainpig]

See JENKINS-75462.

Testing done

Before:

After:

Submitter checklist

• Make sure you are opening from a topic/feature/bugfix branch (right side) and not your main branch!
• Ensure that the pull request title represents the desired changelog entry
• Please describe what you did
• Link to relevant issues in GitHub or Jira
• Link to relevant pull requests, esp. upstream and downstream changes
• Ensure you have provided tests - that demonstrates feature works or fixes the issue

[MarkEWaite]

Thanks very much. I verified that the change works well.

Merging.

Any chance you are interested in making the same fix in the page that is shown when the job is run? I am merging this fix and will release it whether or not you are interested in making the other fix. You've shown how the fix can be done very cleanly.