fix(prefixStorage): wrap shorthand aliases

[CorentinTh]

When creating a prefixed storage, the get, set, has, del, remove aliases don't work as intended (they do not get the defined prefixe) as they are not defined in the storageKeyProperties in https://github.com/unjs/unstorage/blob/main/src/utils.ts

• Added get, set, has, del, remove in storageKeyProperties
• Added regression tests

Related with breaking changes : #455

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.91%. Comparing base (4d61c78) to head (8795703).
Report is 155 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #556      +/-   ##
==========================================
- Coverage   65.05%   58.91%   -6.15%     
==========================================
  Files          39       43       +4     
  Lines        4055     3680     -375     
  Branches      487      588     +101     
==========================================
- Hits         2638     2168     -470     
- Misses       1408     1508     +100     
+ Partials        9        4       -5     

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[pi0]

Thnx ❤️