Add utility functions to WeightMap

Extend WeightMap to be used with an image and not just a set of points.
Add PoseLabelmap

Closes #13941
Merge branch '13941-poselabelmap' into heat-diffusion

* 13941-poselabelmap:
  Add PoseLabelmap
  Add utility functions to WeightMap
Mark CLI output images as labelmaps

* The "Controls" parameter group should not be collapsed by default
* Uniformize the "Debug" flag
* Reorder the "Advanced" parameter group items
Issue #13917
RE-index the CLI orders

Because ArmatureBone has been added, it shifts all the CLI by 1
Merge branch '13917-MarkCLIVolumeAsLabels-2' into heat-diffusion

* 13917-MarkCLIVolumeAsLabels-2:
  RE-index the CLI orders
  Mark CLI output images as labelmaps
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