[OHIF-248] - Update cornerstoneTools version to get handle rendering improvements. (#1854)

* Only process SR on consumption of viewport.

* Hide handles whilst moving + correct hide handles on hover.

* Up CST version

* Update cst

* Remove added cornerstone viewport checks

extensions/dicom-rt/package.json

@@ -30,7 +30,7 @@
   "peerDependencies": {
     "@ohif/core": "^0.50.0",
     "cornerstone-core": "^2.2.8",
-    "cornerstone-tools": "4.16.1",
+    "cornerstone-tools": "4.17.0",
     "dcmjs": "0.14.2",
     "prop-types": "^15.6.2",
     "react": "^16.8.6",