Segmentation UI for VTKjs (#1685)

* Add single viewport configuration

* Multiple viewport configuration

* Improve performance by using independent set methods

* Add jump to slice command

* Add context configuration

* Cache panel visibility

* Fix sync between vtk and cornerstone

* Remove apis index

* Add approach

* Add loading to update volumes

* Fix broken configuration

* Bump vtk version

* Use loading label

* Update cy tests after vtk loading label changed

* Remove loading for segs

extensions/dicom-segmentation/package.json

@@ -38,6 +38,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.5.5",
+    "gl-matrix": "^3.3.0",
     "react-select": "^3.0.8"
   }
 }