Improve cache filename generation when cache policy is off

[sandorkertesz]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.25%. Comparing base (8f43a1b) to head (6eccb2b).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #664   +/-   ##
=======================================
  Coverage   90.25%   90.25%           
=======================================
  Files         158      158           
  Lines       12237    12237           
  Branches      600      600           
=======================================
  Hits        11044    11044           
  Misses       1011     1011           
  Partials      182      182           

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