Fix: Restore missing CSS

[briandonahue]

Summary:

Closes #1454. Some CSS was accidentally removed in #1447, disabling the accordian feature in the report.

Expected behavior:

Notice details should load collapsed, and be expandable and collapsible (accordian).

Please make sure these boxes are checked before submitting your pull request - thanks!

• Run the unit tests with gradle test to make sure you didn't break anything
• Format the title like "feat: [new feature short description]". Title must follow the Conventional Commit Specification(https://www.conventionalcommits.org/en/v1.0.0/).
• Linked all relevant issues
• Include screenshot(s) showing how this pull request works and fixes the issue(s)

[isabelle-dr]

LGTM, thank you for the quick fix!

[github-actions]

✅ Rule acceptance tests passed.
New Errors: 0 out of 1428 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Errors: 0 out of 1428 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
New Warnings: 0 out of 1428 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
Dropped Warnings: 0 out of 1428 datasets (~0%) are invalid due to code change, which is less than the provided threshold of 1%.
0 out of 1428 sources (~0 %) are corrupted.
Commit: 89079c9
Download the full acceptance test report here (report will disappear after 90 days).
✅ Rule acceptance tests passed.

[davidgamez]

LGTM!