<EnvBuildStatus /> component

[gabalafou]

Follow up, clean up to #367.

Description

This pull request:

• Refactors out some of the code in the EnvBuild component into EnvBuildStatus
• Renames the export of BuildDropdown.tsx to match the file name
• Some code clean up for clarity

Pull request checklist

• [x] Did you test this change locally?
• [x] Did you update the documentation (if required)?
• [x] Did you add/update relevant tests for this change (if required)?

Additional information

[gabalafou]

Marking this as draft until I update Storybook

[gabalafou]

Tests pass, runs locally, looks good in Storybook. Merging in now.