fix: don't abort if no monkey paw request was ever made

[midgleyc]

As reported in https://kolmafia.us/threads/cursed-monkey-paw.28797/#post-172067

[codecov]

Codecov Report

Merging #1706 (5592c85) into main (e8f1a51) will not change coverage.
The diff coverage is 0.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1706   +/-   ##
=========================================
  Coverage     35.73%   35.73%           
  Complexity    18182    18182           
=========================================
  Files          1067     1067           
  Lines        164431   164431           
  Branches      35176    35176           
=========================================
  Hits          58756    58756           
  Misses        95939    95939           
  Partials       9736     9736           

Impacted Files	Coverage Δ
...et/sourceforge/kolmafia/textui/RuntimeLibrary.java	37.70% <0.00%> (ø)

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