EDSC-4326: Updating node and replacing node-sass with sass

[trevorlang]

Overview

What is the feature?

Updates to a supported version of node and removes node-sass to fix installation issues related to its deprecation.

What is the Solution?

• Uses node version lts/jod
• Removes node-sass in favor of sass

What areas of the application does this impact?

While doing the change to sass I noticed the opportunity to fix some issues with the sass structure, example, and linting to clean up the project and improve dev UX.

Testing

Reproduction steps

1. Load the demo site
2. Confirm all demo pages work as expected

Attachments

Please include relevant screenshots or files that would be helpful in reviewing and verifying this change.

Checklist

• I have added automated tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have performed a self-review of my own code
• 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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (fdd5794) to head (dc9f76a).

Additional details and impacted files

@@            Coverage Diff             @@
##              main       #79    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           23        17     -6     
  Lines          719       128   -591     
  Branches       182        14   -168     
==========================================
- Hits           719       128   -591     

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[trevorlang]

Reminding myself to update edsc-eslint-config