Revert to v1 of @date-io/date-fns to work with our datepicker.

ui/package-lock.json

@@ -1130,18 +1130,11 @@
       "integrity": "sha512-AlEKV7TxjeK+jxWVKcCFrfYAk8spX9aCyiToFIiLPtfQbsjmRGLIhb5VZgptQcJdHtLXo7+m0DuurwFgUToQuA=="
     },
     "@date-io/date-fns": {
-      "version": "2.10.8",
-      "resolved": "https://registry.npmjs.org/@date-io/date-fns/-/date-fns-2.10.8.tgz",
-      "integrity": "sha512-T5RXKOt8CnjsKg0Orgbe/ekoafC02nsopS+wve5+6gF11hPfN2QUqXclxYQv1LIZSaAHJJ2gL8y0msOew74QHQ==",
+      "version": "1.3.13",
+      "resolved": "https://registry.npmjs.org/@date-io/date-fns/-/date-fns-1.3.13.tgz",
+      "integrity": "sha512-yXxGzcRUPcogiMj58wVgFjc9qUYrCnnU9eLcyNbsQCmae4jPuZCDoIBR21j8ZURsM7GRtU62VOw5yNd4dDHunA==",
       "requires": {
-        "@date-io/core": "^2.10.7"
-      },
-      "dependencies": {
-        "@date-io/core": {
-          "version": "2.10.7",
-          "resolved": "https://registry.npmjs.org/@date-io/core/-/core-2.10.7.tgz",
-          "integrity": "sha512-EG/1qDiQvd12RoNJ6H+sZcHVswC/3uMx/ySvfaJ24vB30rLjkgHggEXbgMbfgki7wMuiQ/zXI8QlmF1k3kWRGQ=="
-        }
+        "@date-io/core": "^1.3.13"
       }
     },
     "@emotion/hash": {

ui/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@babel/runtime": "^7.13.10",
     "@date-io/core": "^1.3.13",
-    "@date-io/date-fns": "^2.10.8",
+    "@date-io/date-fns": "^1.3.13",
     "@material-ui/core": "^4.11.3",
     "@material-ui/icons": "^4.11.2",
     "@material-ui/pickers": "^3.3.10",