EDU: adjusting height of accordion filter groups to match non-accordions

[stephiescastle]

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Description

Addresses feedback:

• https://github.com/nasa-jpl/www/issues/466#issuecomment-2357307577

Changes:

• modifies padding and margin around filter group accordions to match that of non-accordions

Instructions to test

1. make-vue-storybook
2. View http://localhost:6006/?path=/story/components-search-searchfiltergroup--sub-filters
3. Inspect the filter items. Each should be a height of 32px.
   

Tested in the following environments/browsers:

Operating System

• macOS
• iOS
• iPadOS
• Windows

Browser

• Chrome
• Firefox ESR
• Firefox
• Safari
• Edge

[Scotchester]

From playing with this in dev tools on the live site, I think there's still going to be a slight variation in the distance between checkboxes when accordions and non-accordions are mixed, but it should be negligible.

Tried to quickly figure out how to put together a combo story to test that but it wasn't immediately obvious to me how to do that. Good enough for now, regardless.