upgrade react to 17.0.2 (#7298)

package.json

@@ -38,9 +38,9 @@
     "pako": "1.0.11",
     "prop-types": "15.7.2",
     "query-string": "7.0.1",
-    "react": "16.13.1",
+    "react": "17.0.2",
     "react-dates": "21.5.1",
-    "react-dom": "16.13.1",
+    "react-dom": "17.0.2",
     "react-helmet": "6.0.0",
     "react-highlight-words": "0.16.0",
     "react-hot-keys": "2.5.2",

ui/helpers/job.js

@@ -93,9 +93,7 @@ export const isUnclassifiedFailure = function isUnclassifiedFailure(job) {
 // Fetch the React instance of an object from a DOM element.
 // Credit for this approach goes to SO: https://stackoverflow.com/a/48335220/333614
 export const findInstance = function findInstance(el) {
-  const key = Object.keys(el).find((key) =>
-    key.startsWith('__reactInternalInstance$'),
-  );
+  const key = Object.keys(el).find((key) => key.startsWith('__reactFiber$'));
   if (key) {
     const fiberNode = el[key];
     return fiberNode && fiberNode.return && fiberNode.return.stateNode;