Collapse all accordion panels by default

[janefrommaine]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

Fix #183

Test URLs:

• Before: https://main--elixirsolutions--hlxsites.hlx.live/
• After: https://accordion-panel--elixirsolutions--hlxsites.hlx.live/

URLs with accordions:

• Sidekick Library accordion: https://accordion-panel--elixirsolutions--hlxsites.hlx.live/tools/sidekick/library/library.html?plugin=blocks&path=/library/blocks/accordion&index=0
• Contact Us: https://accordion-panel--elixirsolutions--hlxsites.hlx.live/contactus
• Members: https://accordion-panel--elixirsolutions--hlxsites.hlx.live/members
• Members > About Mail: https://accordion-panel--elixirsolutions--hlxsites.hlx.live/members/about-mail
• Members > Specialty Rx: https://accordion-panel--elixirsolutions--hlxsites.hlx.live/members/specialty-rx
• Providers: https://accordion-panel--elixirsolutions--hlxsites.hlx.live/providers
• Elixir Specialty Prescribers: https://accordion-panel--elixirsolutions--hlxsites.hlx.live/plansponsors/pharmacy/specialty-pharmacy/elixir-specialty/elixir-specialty-prescribers

[aem-code-sync[bot]]

Hello, I'm Franklin Bot and I will run some test suites that validate the page speed. In case there are problems, just click the checkbox below to rerun the respective action.

• [ ] Re-run PSI Checks

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/
/contactus
/members
/members/about-mail
/members/specialty-rx
/plansponsors/pharmacy/specialty-pharmacy/elixir-specialty/elixir-specialty-pres cribers
/providers
/tools/sidekick/library/library.html?plugin=blocks&path=/library/blocks/accordio n&index=0