refactor: remove Object[][] from BarrelPrayerCommand

[midgleyc]

Add tests.

[codecov]

Codecov Report

Merging #827 (47fb329) into main (6b54897) will increase coverage by 0.03%.
The diff coverage is 80.00%.

@@             Coverage Diff              @@
##               main     #827      +/-   ##
============================================
+ Coverage     25.37%   25.41%   +0.03%     
- Complexity    11576    11606      +30     
============================================
  Files          1019     1019              
  Lines        159516   159511       -5     
  Branches      35150    35149       -1     
============================================
+ Hits          40484    40544      +60     
+ Misses       111407   111331      -76     
- Partials       7625     7636      +11     

Impacted Files	Coverage Δ
...e/kolmafia/textui/command/BarrelPrayerCommand.java	82.92% <80.00%> (+65.53%)	⬆️
src/net/sourceforge/kolmafia/KoLCharacter.java	48.76% <0.00%> (+0.12%)	⬆️
...sourceforge/kolmafia/session/ChoiceAdventures.java	31.09% <0.00%> (+0.13%)	⬆️
...et/sourceforge/kolmafia/objectpool/Concoction.java	58.94% <0.00%> (+0.18%)	⬆️
...forge/kolmafia/persistence/ConcoctionDatabase.java	45.27% <0.00%> (+0.23%)	⬆️
...et/sourceforge/kolmafia/session/ChoiceManager.java	12.50% <0.00%> (+0.30%)	⬆️
src/net/sourceforge/kolmafia/RequestLogger.java	15.78% <0.00%> (+0.31%)	⬆️
...ge/kolmafia/swingui/panel/UseItemEnqueuePanel.java	36.36% <0.00%> (+0.74%)	⬆️
...net/sourceforge/kolmafia/request/KnollRequest.java	18.18% <0.00%> (+2.27%)	⬆️
...et/sourceforge/kolmafia/request/ShrineRequest.java	17.44% <0.00%> (+8.13%)	⬆️
... and 2 more

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