Add adr and af to global legal search

Summary (required)

Resolves #6270
Add Admin-fines and ADRs to global search
Only show results for chosen category when not searching all
Only search regulations if it is the chosen category, or searching 'All'
Move chosen category to the top of category_order inget_legal_category_order() so the chosen category moves to the top of the side menu, even when there are no results.

Required reviewers

required: one developer optional?: one content or UX

Impacted areas of the application

The lsearch box on legal landing page: https://www.fec.gov/legal-resources/ The global legal search : https://www.fec.gov/data/legal/search/

Files changed: modified: data/api_caller.py modified: fec/templates/partials/navigation/nav-legal.html modified: home/templates/home/legal/legal_resources_landing.html modified: home/templates/purgecss-homepage/full.html modified: legal/templates/legal-search-results.jinja modified: legal/templates/macros/legal.jinja modified: legal/views.py modified: fec/static/scss/mixins/_utilities.scss

Screenshots

(Include a screenshot of the new/updated features in context (“in the wild”). If it is an interface change, include both before and after screenshots)

Related PRs

Related PRs against other branches:

https://github.com/fecgov/fec-cms/pull/6318

How to test

checkout branch and run npm run build
Test searches on http://127.0.0.1:8000/data/legal/search/
Test a no results search like "xcvh"
A search that returns all is "9004"
A search that returns alll but statutes is "105"
On http://127.0.0.1:8000/legal-resources/, verify the ordering, capitalization for the list and dropdown choices on

fecgov / fec-cms