build: separate packages from tool when building TS

[Westbrook]

Description

At the intersection of the esbuild output and the es-module-lexor processing various Storybook stories were being omitted from the UI. This alters the output of the *.stories.ts and *.test.ts files so that this won't happen anymore.

How has this been tested?

• [ ] Test case 1
  1. Go here
  2. Compare to here

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)

Checklist

• [x] I have signed the Adobe Open Source CLA.
• [x] My code follows the code style of this project.
• [x] If my change required a change to the documentation, I have updated the documentation in this pull request.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[github-actions[bot]]

Branch Preview

• Documentation Site
• Storybook

[github-actions[bot]]

Tachometer results

Currently, no packages are changed by this PR...

[najikahalsema]

Is the second link in your test case supposed to be missing the Switch stories? Just double checking to make sure I understand what you're trying to accomplish in this PR!

[Westbrook]

@najikahalsema it is missing the Switch stories, and is not supposed to be missing them, which is what this PR fixes. So, it's a comparison between the code in main and the code in this PR.