fix: don't show "empty" for folders 4 and 5 at valhalla

[midgleyc]

No description provided.

[codecov]

Codecov Report

Merging #1007 (dd5d347) into main (9e832f4) will decrease coverage by 0.00%.
The diff coverage is 75.00%.

@@             Coverage Diff              @@
##               main    #1007      +/-   ##
============================================
- Coverage     27.76%   27.75%   -0.01%     
+ Complexity    13201    13195       -6     
============================================
  Files          1030     1030              
  Lines        160493   160494       +1     
  Branches      35240    35240              
============================================
- Hits          44556    44545      -11     
- Misses       107660   107672      +12     
  Partials       8277     8277              

Impacted Files	Coverage Δ
.../sourceforge/kolmafia/webui/ValhallaDecorator.java	0.00% <0.00%> (ø)
...sourceforge/kolmafia/session/EquipmentManager.java	34.22% <100.00%> (+0.05%)	⬆️
...forge/kolmafia/persistence/ConcoctionDatabase.java	46.15% <0.00%> (-0.59%)	⬇️
...et/sourceforge/kolmafia/objectpool/Concoction.java	62.45% <0.00%> (-0.55%)	⬇️
src/net/sourceforge/kolmafia/KoLCharacter.java	51.66% <0.00%> (-0.09%)	⬇️
...sourceforge/kolmafia/textui/langserver/Script.java	85.10% <0.00%> (+3.19%)	⬆️

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[gausie]

Thank you!