fix grabbing enabled element

extensions/ohif-cornerstone-extension/package.json

@@ -39,7 +39,7 @@
     "@babel/runtime": "^7.2.0",
     "classnames": "^2.2.6",
     "lodash.throttle": "^4.1.1",
-    "react-cornerstone-viewport": "0.1.25-expose-dom"
+    "react-cornerstone-viewport": "0.1.25-expose-dom-3"
   },
   "devDependencies": {
     "@babel/core": "^7.2.2",

extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js

@@ -57,7 +57,7 @@ const mapDispatchToProps = (dispatch, ownProps) => {
      * easier.
      */
     onElementEnabled: event => {
-      const enabledElement = event.detail;
+      const enabledElement = event.detail.element;
       dispatch(
         setViewportSpecificData(viewportIndex, {
           dom: enabledElement