fix: 🐛 Seg load colormap fix

[JamesAPetts]

Fix an oopsie.

[codecov]

Codecov Report

Merging #1236 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1236   +/-   ##
=======================================
  Coverage   18.71%   18.71%           
=======================================
  Files         286      286           
  Lines        8583     8583           
  Branches     1459     1459           
=======================================
  Hits         1606     1606           
  Misses       5784     5784           
  Partials     1193     1193           

Impacted Files	Coverage Δ
.../store/modules/segmentationModule/setLabelmap3D.js	3.70% <ø> (ø)

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[dannyrb]

🎉 This PR is included in version 4.15.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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