Fix UseSkillRequest bugs

[Veracity0]

1. When casting a daily-limited skill that tells you how many casts remain, don't double increment usage
2. Don't need to equip designer sweatpants to Sweat Out Some Booze
3. Modernize switch statement in SkillDatabase.isLibramSkill

[codecov]

Codecov Report

Merging #1255 (e320d24) into main (4409975) will increase coverage by 0.00%.
The diff coverage is 50.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1255   +/-   ##
=========================================
  Coverage     32.23%   32.24%           
- Complexity    15841    15846    +5     
=========================================
  Files          1041     1041           
  Lines        162355   162357    +2     
  Branches      35245    35245           
=========================================
+ Hits          52333    52346   +13     
+ Misses       100776   100770    -6     
+ Partials       9246     9241    -5     

Impacted Files	Coverage Δ
...ourceforge/kolmafia/persistence/SkillDatabase.java	35.95% <33.33%> (+0.04%)	⬆️
.../sourceforge/kolmafia/request/UseSkillRequest.java	34.91% <100.00%> (+1.16%)	⬆️

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