Bring in rotatable crosshairs. (#2101)

* Bring in rotatable crosshairs.

* Pull in react-vtkjs-viewport 0.13.1 fix.

extensions/vtk/src/toolbarModule.js

@@ -25,6 +25,15 @@ const definitions = [
     commandName: 'enableLevelTool',
     commandOptions: {},
   },
+  {
+    id: 'Reset',
+    label: 'Reset',
+    icon: 'reset',
+    //
+    type: TOOLBAR_BUTTON_TYPES.COMMAND,
+    commandName: 'resetMPRView',
+    commandOptions: {},
+  },
   {
     id: 'Rotate',
     label: 'Rotate',
@@ -131,4 +140,4 @@ const definitions = [
 export default {
   definitions,
   defaultContext: 'ACTIVE_VIEWPORT::VTK',
-}
+};