Simplify arguments for toggle component helper function

[jamieshark]

• Closes https://github.com/github/primer/issues/4984
• Builds off of issue found in [CSS Module Migration] Remove feature flag for Underline Panel #5836

Changelog

New

Changed

Removed

• Removes sx argument in toggleSxComponent

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

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: bb94f5f

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	Minor

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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!

[github-actions]

size-limit report 📦

Path	Size
packages/react/dist/browser.esm.js	104.98 KB (-0.02% 🔽)
packages/react/dist/browser.umd.js	105.35 KB (-0.04% 🔽)

[jamieshark]

merge #5836 before this PR