docs: improve examples for objectKey,objectValue,objectEntry

[matthewmayer]

fix #3303

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[Shinigami92]

count me as approval when the code formatting was applied

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.97%. Comparing base (e0016ad) to head (cb907e7).
Report is 2 commits behind head on next.

Additional details and impacted files

@@           Coverage Diff           @@
##             next    #3339   +/-   ##
=======================================
  Coverage   99.97%   99.97%           
=======================================
  Files        2811     2811           
  Lines      217012   217012           
  Branches      939      937    -2     
=======================================
+ Hits       216959   216961    +2     
+ Misses         53       51    -2     

Files with missing lines	Coverage Δ
src/modules/helpers/index.ts	96.71% <ø> (ø)

... and 1 file with indirect coverage changes