Revert "Fix extra padding on SelectPanel with groups"

[francinelucca]

Reverts #5869

Reverting because we succesfully removed the top padding but inadvertently removed the bottom padding, will get a new PR in soon.

[changeset-bot]

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Latest commit: 2d8390c

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[github-actions]

👋 Hi, this pull request contains changes to the source code that github/github depends on. If you are GitHub staff, we recommend testing these changes with github/github using the integration workflow. Thanks!

[Copilot]

Pull Request Overview

This PR reverts the removal of bottom padding introduced in #5869, restoring previous padding behavior by removing the horizontal-inset variant and undoing associated style changes.

• Removes horizontal-inset from variant types and docs
• Cleans up conditional logic referencing horizontal-inset in components
• Updates CSS rules and stories to drop the horizontal-inset case
• Deletes content from the outdated changeset (resulting in an empty file)

Reviewed Changes

Copilot reviewed 32 out of 32 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/react/src/deprecated/ActionList/List.tsx	Removed horizontal-inset from the deprecated List variant union
packages/react/src/SelectPanel/SelectPanel.tsx	Deleted the conditional variant prop that set horizontal-inset for grouped lists
packages/react/src/ActionList/shared.ts	Removed horizontal-inset from the shared ActionListProps variant type
packages/react/src/ActionList/Item.tsx	Updated margin and width calculations to only account for inset
packages/react/src/ActionList/Heading.module.css	Simplified the inset selector to only target inset variant
packages/react/src/ActionList/ActionList.stories.tsx	Removed horizontal-inset option from story controls
packages/react/src/ActionList/ActionList.module.css	Updated CSS to drop horizontal-inset selector (see bug in brace nesting)
packages/react/src/ActionList/ActionList.docs.json	Removed horizontal-inset from docs JSON
.changeset/fresh-lights-wink.md	Cleared outdated changeset content

Comments suppressed due to low confidence (2)

packages/react/src/ActionList/ActionList.module.css:15

• The closing brace for the :where([data-variant='inset']) rule was removed, causing the next selector block to nest incorrectly. Add a } after this line to restore proper CSS rule separation.

padding-block: var(--base-size-8);

[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	98.92 KB (-0.03% 🔽)
packages/react/dist/browser.umd.js	99.23 KB (+0.16% 🔺)