Miscellaneous fixes

[Veracity0]

1. Mushroom Garden in KoE is inaccessable with a new failure message
2. Adventuring in The Lower Chambers might take 1 turn or it might take 7
3. When purchasing from NPCs, prefer Travoltan trousers over designer sweat pants
4. When using trousers for NPC purchases, allow retrieving the item, rather than requiring it to be in inventory
5. When suiting up for NPC purchases, use an outfit checkpoint
6. Allow counter warnings to fire when going to lower chamber from the pyramid control panel
7. prepareForAdventure will talk to Bart to open the tavern cellar

[codecov]

Codecov Report

Merging #1133 (715bfa6) into main (cb03c01) will increase coverage by 0.05%.
The diff coverage is 65.00%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1133      +/-   ##
============================================
+ Coverage     30.36%   30.41%   +0.05%     
- Complexity    14817    14851      +34     
============================================
  Files          1037     1037              
  Lines        161429   161464      +35     
  Branches      35183    35194      +11     
============================================
+ Hits          49013    49112      +99     
+ Misses       103573   103482      -91     
- Partials       8843     8870      +27     

Impacted Files	Coverage Δ
.../sourceforge/kolmafia/request/PurchaseRequest.java	24.36% <0.00%> (-0.42%)	⬇️
...net/sourceforge/kolmafia/request/RelayRequest.java	23.67% <ø> (+1.23%)	⬆️
...net/sourceforge/kolmafia/request/PlaceRequest.java	16.60% <27.27%> (+0.21%)	⬆️
...et/sourceforge/kolmafia/session/ChoiceControl.java	7.26% <75.00%> (+0.06%)	⬆️
.../net/sourceforge/kolmafia/session/TurnCounter.java	46.10% <75.00%> (+4.17%)	⬆️
src/net/sourceforge/kolmafia/KoLAdventure.java	58.72% <100.00%> (+0.14%)	⬆️
...sourceforge/kolmafia/request/AdventureRequest.java	39.87% <100.00%> (+0.19%)	⬆️
...urceforge/kolmafia/request/NPCPurchaseRequest.java	15.42% <100.00%> (+0.12%)	⬆️
...t/sourceforge/kolmafia/request/PyramidRequest.java	14.28% <100.00%> (+14.28%)	⬆️
...et/sourceforge/kolmafia/session/ChoiceManager.java	24.08% <100.00%> (+0.23%)	⬆️
... and 10 more

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