ActionList: Allow items to remain focusable when disabled

[TylerJDev]

Allows disabled items in ActionMenu and SelectPanel to remain focusable. This stems from feedback we've received from the Accessibility Team.

Changelog

Integration test PR: https://github.com/github/github/pull/324056
Passes with small modifications (minus flakey tests), requires only one change to a test in Dotcom.

Changed

• Allows ActionList.Item to keep focus if it's within an ActionMenu or SelectPanel context.

Rollout strategy

• Patch release
• Minor release
• Major release; if selected, include a written rollout or migration plan
• None; if selected, include a brief description as to why

Testing & Reviewing

• ActionMenu example
• SelectPanel example (select 3 options for remaining items to be disabled)
• ActionList example (disabled items should not receive focus)

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews (Storybook)
• Changes are SSR compatible
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge
• (GitHub staff only) Integration tests pass at github/github (Learn more about how to run integration tests)

[changeset-bot]

🦋 Changeset detected

Latest commit: 09101fa

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@primer/react	Patch

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[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	105.6 KB (+0.08% 🔺)
packages/react/dist/browser.umd.js	106.08 KB (+0.17% 🔺)

[TylerJDev]

Should require only one change in Dotcom (a modification to a test), other than that it appears that the tests related to this change pass.

[siddharthkp]

Should require only one change in Dotcom (a modification to a test), other than that it appears that the tests related to this change pass.

That's great!

It looks like we can only make the dotcom change after merging this PR, correct?

[TylerJDev]

@siddharthkp, yup that should be it!

[TylerJDev]

This PR should be ready for a review!

cc: @primer/engineer-reviewers

[primer-integration]

👋 Hi from github/github! Your integration PR is ready: https://github.com/github/github/pull/359651

[primer-integration]

🔴 golden-jobs completed with status failure.

No longer needed :)