fix: Reponsive TW grid classes, nested overlays

[jaredcwhite]

Issue

Addresses #857

• This change addresses the issue in full
• This change addresses only certain aspects of the issue
• This change is a dependency for another issue
• This change has a dependency from another issue

Description

Fix for two issues found in QA. Regarding the nested drawers issue (the second drawer opened and closed immediately), the fix was remarkably simple (but took a while to arrive at)…no outside click algorithm is necessary because click handling directly on the overlay backdrop itself is all that's needed.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Prototype/POC (not to merge)
• This change is a refactor/address technical debt
• This change requires a documentation update
• This change requires a SQL Script

How Can This Be Tested/Reviewed?

Review the various forms in the Partners site as well as the "Select Preferences" button/drawer.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have reviewed the changes in a desktop view
• I have reviewed the changes in a mobile view
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have assigned reviewers
• I have updated the changelog to include a description of my changes
• I have run yarn generate:client if I made backend changes

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[netlify]

✔️ Deploy Preview for dev-bloom ready!

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[seanmalbert]

Looks good, thanks @jaredcwhite!