This hides the chevron icon and makes the step header unclickable for
skipped steps because there is no content to expand on those.
Before:
<img width="272" alt="Screenshot 2024-03-21 at 20 06 47"
src="9bb328d1-6f74-48a9-af19-de9b351e3707">
After:
<img width="295" alt="Screenshot 2024-03-21 at 20 03 07"
src="72a26e14-5a28-4606-8c3c-184b405872c8">
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Co-authored-by: Giteabot <teabot@gitea.io>
(cherry picked from commit 5bd0773741be8f9476be0c76e8733f8c9dd65d19)
8f2b95012d