Respect missing pants slot when equipping discount trousers

[gausie]

No description provided.

[codecov]

Codecov Report

Merging #935 (ad82fcb) into main (8027b86) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main     #935      +/-   ##
============================================
- Coverage     26.87%   26.87%   -0.01%     
+ Complexity    12464    12463       -1     
============================================
  Files          1028     1028              
  Lines        159877   159878       +1     
  Branches      35165    35165              
============================================
- Hits          42971    42967       -4     
- Misses       109012   109020       +8     
+ Partials       7894     7891       -3     

Impacted Files	Coverage Δ
...urceforge/kolmafia/request/NPCPurchaseRequest.java	12.07% <100.00%> (+0.27%)	⬆️
...forge/kolmafia/textui/langserver/FilesMonitor.java	76.92% <0.00%> (-1.29%)	⬇️
...sourceforge/kolmafia/textui/langserver/Script.java	80.85% <0.00%> (-1.07%)	⬇️
...et/sourceforge/kolmafia/objectpool/Concoction.java	59.48% <0.00%> (-0.19%)	⬇️
src/net/sourceforge/kolmafia/KoLCharacter.java	50.06% <0.00%> (-0.13%)	⬇️
...forge/kolmafia/persistence/ConcoctionDatabase.java	46.50% <0.00%> (-0.06%)	⬇️
...sourceforge/kolmafia/session/EquipmentManager.java	33.16% <0.00%> (+0.08%)	⬆️

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