docs(progressbar): enable side label control

[marissahuysentruyt]

Description

We noticed that the side label variant for progress bar was only surfaced in our Chromatic tests. Upon some closer inspection, we found a code comment that said we could turn on the side label control for S2 (Spectrum 1 didn't support side labels, according to our design docs).

This PR enables the labelPosition Storybook control and adds a story to the docs page.

NOTE: No changeset is needed since no CSS was changed (we already had CSS support for side labels- this PR just added a story to our docs and enabled the control officially for S2).

How and where has this been tested?

Please tag yourself on the tests you've marked complete to confirm the tests have been run by someone other than the author.

Validation steps

• Pull down the branch to run locally or visit the deploy preview
• Visit the progress bar docs page.
• Verify a side label story is present and the documentation/description makes sense and is free of grammatical errors.
• Visit the default progress bar story.
• Verify the labelPosition control is rendering in the control table.
• Select the side option in the labelPosition dropdown and verify the story changes as expected.
• Verify no changes in the test grid have been introduced.
• If you want, you can also double check that the code comment has been removed from progressbar.stories.js.

Regression testing

Validate:

1. The documentation pages for at least two other components are still loading, including:

• The pages render correctly, are accessible, and are responsive.

2. If components have been modified, VRTs have been run on this branch:

• VRTs have been run and looked at.
• Any VRT changes have been accepted (by reviewer and/or PR author), or there are no changes.

Screenshots

To-do list

• I have read the contribution guidelines.
• I have updated relevant storybook stories and templates.
• I have tested these changes in Windows High Contrast mode.
• If my change impacts other components, I have tested to make sure they don't break.
• If my change impacts documentation, I have updated the documentation accordingly.
• ✨ This pull request is ready to merge. ✨

[changeset-bot]

⚠️ No Changeset found

Latest commit: 89faba9

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[github-actions]

File metrics

Summary

Total size: 1.42 MB^*

🎉 No changes detected in any packages

* Size is the sum of all main files for packages in the library.
* An ASCII character in UTF-8 is 8 bits or 1 byte.

[github-actions]

📚 Branch preview

PR #3992 has been deployed to Azure Blob Storage: https://spectrumcss.z13.web.core.windows.net/pr-3992/index.html.