Fix unexpected stripping of default port in port canonicalization

[rmisev]

Follows: whatwg/urlpattern@aeb2019

Tests: web-platform-tests/wpt@23aac92

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.64%. Comparing base (afe4bab) to head (5f95170).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #205   +/-   ##
=======================================
  Coverage   99.64%   99.64%           
=======================================
  Files          21       21           
  Lines        3696     3696           
  Branches      665      665           
=======================================
  Hits         3683     3683           
  Misses         13       13           

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