🎩 What? Why?

This applies two accessibility fixes to the comments section:

1. Logical headings order (tested on a single proposal page)
2. The order dropdown fix for the axe-core accessibility audit tool (same fix as Fix dropdown menu accessibility audits #7708)

📌 Related Issues

• Related to Fix dropdown menu accessibility audits #7708, Rework accessibility improvements #6253

Testing

Run the accessibility audit tool on a single proposal page with comments enabled.

📋 Checklist

• ❓ CONSIDER adding a unit test if your PR resolves an issue.
• ✔️ DO check open PR's to avoid duplicates.
• ✔️ DO keep pull requests small so they can be easily reviewed.
• ✔️ DO build locally before pushing.
• ✔️ DO make sure tests pass.
• ✔️ DO make sure any new changes are documented in docs/.
• ✔️ DO add and modify seeds if necessary.
• ✔️ DO add CHANGELOG upgrade notes if required.
• ✔️ DO add to GraphQL API if there are new public fields.
• ✔️ DO add link to MetaDecidim if it's a new feature.
• ❌AVOID breaking the continuous integration build.
• ❌AVOID making significant changes to the overall architecture.