chore: Simplify storage_from_config

[Felixoid]

It's another part of preparation for #2581

The diff is tiny, when Hide whitespace is used

[Felixoid]

[codecov-commenter]

Codecov Report

❌ Patch coverage is 35.03185% with 102 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.17%. Comparing base (189ac78) to head (604a674).

Files with missing lines	Patch %	Lines
src/cache/cache.rs	35.03%	102 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2597      +/-   ##
==========================================
+ Coverage   72.06%   72.17%   +0.11%     
==========================================
  Files          68       68              
  Lines       37011    36985      -26     
==========================================
+ Hits        26672    26694      +22     
+ Misses      10339    10291      -48     

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[sylvestre]

The diff is tiny, when Hide whitespace is used

TIL, thanks!