fix(DICOM Overlay): The overlay data wasn't being refreshed on change (#3793)

package.json

@@ -37,7 +37,7 @@
     "preinstall": "node preinstall.js",
     "start": "yarn run dev",
     "test": "yarn run test:unit",
-    "test:data": "git submodule update --init",
+    "test:data": "git submodule update --init -r",
     "test-watch": "jest --collectCoverage --watchAll",
     "test:unit": "jest --collectCoverage",
     "test:unit:ci": "lerna run test:unit:ci --parallel --stream",