refactor: do not do 3 lookups of q in priority

[sobolevn]

Now it is just a single lookup.

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📚 Documentation preview 📚: https://litestar-org.github.io/litestar-docs-preview/4664

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.33%. Comparing base (b65dc41) to head (6e093cc).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4664   +/-   ##
=======================================
  Coverage   67.33%   67.33%           
=======================================
  Files         292      292           
  Lines       14938    14939    +1     
  Branches     1675     1675           
=======================================
+ Hits        10058    10059    +1     
  Misses       4743     4743           
  Partials      137      137           

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