chore: APPS-3112 unify styles between datefilter and filterdropdown

[farosFreed]

Connected to APPS-3112

Notes:

When implementing filters side by side on event listing page we noticed style differences. This PR will unify the styles between the 2.

Checklist:

• I checked that it is working locally in the dev server
• 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
• I assigned this PR to someone on the dev team to review
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[pghorpade]

🎉 This PR is included in version 3.43.3 🎉

The release is available on:

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