fix: recursively simplify returned objects

[danielroe]

🔗 Linked issue

resolves #1845 (comment)

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

This is largely a DX improvement, but we should check that it doesn't have a significant performance cost when used.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[codecov]

Codecov Report

Merging #1847 (e7a4054) into main (3611071) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1847   +/-   ##
=======================================
  Coverage   52.35%   52.35%           
=======================================
  Files         170      170           
  Lines       11777    11777           
  Branches      905      907    +2     
=======================================
  Hits         6166     6166           
  Misses       5515     5515           
  Partials       96       96           

Files	Coverage Δ
src/types/serialize.ts	100.00% <100.00%> (ø)

[pi0]

THanks for this! Let's try it on nightly and plan for next minor if all good to you!