http: use common canonify at request parse time

[gdamore]

fixes #

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[codecov]

Codecov Report

Attention: Patch coverage is 76.92308% with 3 lines in your changes missing coverage. Please review.

Project coverage is 83.57%. Comparing base (4f44506) to head (169166a).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/supplemental/http/http_server.c	62.50%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2082      +/-   ##
==========================================
- Coverage   83.63%   83.57%   -0.06%     
==========================================
  Files          93       93              
  Lines       23543    23501      -42     
  Branches     3044     3035       -9     
==========================================
- Hits        19691    19642      -49     
- Misses       3774     3783       +9     
+ Partials       78       76       -2     

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