fix: only remarkably double real offhands

[midgleyc]

Fix https://kolmafia.us/threads/offhand-remarkable-is-incorrectly-applying-to-weapons-equipped-in-offhand.29172/

[codecov]

Codecov Report

Merging #1914 (ead12af) into main (8a70008) will increase coverage by 0.00%.
The diff coverage is 66.66%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1914   +/-   ##
=========================================
  Coverage     36.45%   36.46%           
- Complexity    18870    18871    +1     
=========================================
  Files          1083     1083           
  Lines        166646   166646           
  Branches      35400    35400           
=========================================
+ Hits          60759    60762    +3     
+ Misses        95979    95977    -2     
+ Partials       9908     9907    -1     

Files Changed	Coverage Δ
.../net/sourceforge/kolmafia/objectpool/ItemPool.java	14.28% <ø> (ø)
src/net/sourceforge/kolmafia/KoLCharacter.java	64.28% <66.66%> (+0.04%)	⬆️

... and 5 files with indirect coverage changes

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