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

platform/viewer/cypress/integration/visual-regression/PercyCheckOHIFExtensionVTK.spec.js

@@ -18,8 +18,8 @@ describe('Visual Regression - OHIF VTK Extension', () => {
     //Select 2D MPR button
     cy.get('[data-cy="2d mpr"]').click();
 
-    //Wait Reformatting Images
-    cy.waitVTKReformatting();
+    //Wait waitVTKLoading Images
+    cy.waitVTKwaitVTKLoading();
   });
 
   beforeEach(() => {