Fix Pose Labelmap xml channels

This caused the entire slicer to exit abnormaly.

See Issue #13941
Merge branch '13941-FixPoseLabelmap' into heat-diffusion

* 13941-FixPoseLabelmap:
  Fix Pose Labelmap xml channels
Merge branch '13944-DownSampleWeightComputation' into heat-diffusion

* 13944-DownSampleWeightComputation:
  Remove islands in subsampled domain
  Add support for optionally ignore the armature envelopes in ArmatureWeight
  Add IgnoreErrors in ArmatureBones
  Fix downsampling of bodypartion in ArmatureWeight
  Fix gcc compilation error in ArmatureWeight
  Padding for armature weight
  Speed up armature weight

Conflicts:
	Modules/CLI/ArmatureBones/ArmatureBones.xml