Fix router matching pre-encoded URLs (#8898)

[Dreamsorcerer]

Co-authored-by: J. Nick Koston nick@koston.org
(cherry picked from commit 6be9452)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.73%. Comparing base (7477503) to head (2a40ba4).
Report is 572 commits behind head on 3.11.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             3.11    #8960   +/-   ##
=======================================
  Coverage   97.73%   97.73%           
=======================================
  Files         108      108           
  Lines       34319    34314    -5     
  Branches     4073     4073           
=======================================
- Hits        33542    33538    -4     
+ Misses        581      580    -1     
  Partials      196      196           

Flag	Coverage Δ
CI-GHA	97.63% <100.00%> (+<0.01%)	⬆️
OS-Linux	97.31% <100.00%> (-0.01%)	⬇️
OS-Windows	94.87% <100.00%> (+<0.01%)	⬆️
OS-macOS	97.00% <100.00%> (-0.01%)	⬇️
Py-3.10.11	97.09% <100.00%> (+<0.01%)	⬆️
Py-3.10.14	97.02% <100.00%> (+<0.01%)	⬆️
Py-3.11.9	97.25% <100.00%> (+<0.01%)	⬆️
Py-3.12.5	97.35% <100.00%> (+<0.01%)	⬆️
Py-3.9.13	96.99% <100.00%> (-0.01%)	⬇️
Py-3.9.19	96.93% <100.00%> (+<0.01%)	⬆️
Py-pypy7.3.16	96.52% <100.00%> (+<0.01%)	⬆️
VM-macos	97.00% <100.00%> (-0.01%)	⬇️
VM-ubuntu	97.31% <100.00%> (-0.01%)	⬇️
VM-windows	94.87% <100.00%> (+<0.01%)	⬆️

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