enhance: Gin & restfulv1 handler use sonic json

[haorenfsa]

/cc @czs007 @congqixia
master pr: #35020

[haorenfsa]

/kind enhancement

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[mergify]

@haorenfsa

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[mergify]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.12%. Comparing base (b3bc7f3) to head (74a3333).
Report is 7 commits behind head on 2.4.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #35018      +/-   ##
==========================================
- Coverage   84.85%   81.12%   -3.73%     
==========================================
  Files         786     1051     +265     
  Lines      113237   136666   +23429     
==========================================
+ Hits        96085   110875   +14790     
- Misses      12957    21593    +8636     
- Partials     4195     4198       +3     

Files	Coverage Δ
...nternal/distributed/proxy/httpserver/handler_v1.go	91.35% <ø> (ø)
internal/distributed/proxy/httpserver/utils.go	87.89% <ø> (ø)

... and 299 files with indirect coverage changes

[congqixia]

/run-cpu-e2e

[congqixia]

/lgtm

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