fetch: simplify Object.prototype accessor preventions

[KhafraDev]

Creating a null prototype object works better than listing out each property!

Still some issues with TransformStreams because of nodejs/node#46355 (for a while I thought this was an undici issue, but it isn't).

[codecov-commenter]

Codecov Report

Base: 90.33% // Head: 94.94% // Increases project coverage by +4.60% 🎉

Coverage data is based on head (b98a458) compared to base (f02ab5b).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1886      +/-   ##
==========================================
+ Coverage   90.33%   94.94%   +4.60%     
==========================================
  Files          70       39      -31     
  Lines        6045     2888    -3157     
==========================================
- Hits         5461     2742    -2719     
+ Misses        584      146     -438     

Impacted Files	Coverage Δ
index.js	74.48% <0.00%> (-24.49%)	⬇️
lib/core/util.js	88.27% <0.00%> (-9.66%)	⬇️
lib/api/readable.js	82.75% <0.00%> (-8.63%)	⬇️
lib/handler/RedirectHandler.js	87.50% <0.00%> (-7.50%)	⬇️
lib/mock/mock-utils.js	93.95% <0.00%> (-6.05%)	⬇️
lib/proxy-agent.js	88.31% <0.00%> (-5.20%)	⬇️
lib/core/request.js	94.25% <0.00%> (-4.60%)	⬇️
lib/fetch/body.js
lib/fetch/index.js
lib/fetch/constants.js
... and 28 more

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.