135 Fix accordion

[mwarman]

…rmance optimization

📢 Instructions

• Begin with a DRAFT pull request.
• Follow italicized instructions to add detail to assist the reviewers.
• After completing all checklist items, change the pull request to READY.

---

🔧 Change Summary

Describe the changes included in this pull request. Link to the associated GitHub issue(s).

• fixes Accordion multiple mode not allowing multiple sections open #135
• Fixed the Accordion component state management and animation.

📝 Checklist

Pull request authors must complete the following tasks before marking the PR as ready to review.

• Complete a self-review of changes
• Unit tests have been created or updated
• The code is free of [new] lint errors and warnings
• Update storybook stories as needed
• Update project documentation as needed, README, JSDoc, etc.

🧪 Steps to Test

Describe the process to test the changes in this pull request.

1. Go to the accordion component page.
2. Test all variations of the Accordion.

🔗 Additional Information

Optionally, provide additional details, screenshots, or URLs that may assist the reviewer.

• [...]