docs: clean up documentation post v14

[booc0mtaco]

A little tidying for v14 release leftover in the docs:

• cleaning a mix of imports for ReactNode
• naming of some concepts in doc.s
• the docs and references to removed or updated props

Test Plan:

• n/a (documentation-only change)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.87%. Comparing base (6d4e0dc) to head (cf8862e).

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #1882      +/-   ##
==========================================
- Coverage   96.87%   96.87%   -0.01%     
==========================================
  Files         106      106              
  Lines        2113     2111       -2     
  Branches      546      546              
==========================================
- Hits         2047     2045       -2     
  Misses         64       64              
  Partials        2        2              

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[github-actions]

size-limit report 📦

Path	Size
components	82.4 KB (+0.01% 🔺)
styles	29.74 KB (0%)