feat: APPS-2943 Add initialTab setting option to TabToggle

[tinuola]

Connected to APPS-2943

Component Updated: TabList.vue

Preview: https://deploy-preview-611--ucla-library-storybook.netlify.app/?path=/story/tab-toggle--set-initial-tab

Notes:

• Added prop to allow initial active tab to be set
• Added extra story to demonstrate feature
• Updated/refactored tab glider animation

Checklist:

• [x] I checked that it is working locally in the dev server
• [x] I checked that it is working locally in the storybook
• [ ] I checked that it is working locally in the library-website-nuxt dev server
• [ ] I added a screenshot of it working
• [ ] UX has reviewed and approved this
• [x] I requested a PR review from the dev team
• [x] I used a conventional commit message
• [x] I assigned myself to this PR

[github-actions[bot]]

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[github-actions[bot]]

🚀 Deployed on https://deploy-preview-611--ucla-library-storybook.netlify.app

[pghorpade]

:tada: This PR is included in version 3.19.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: