bump react & react-dom to 16.8.

Fixes #7879

Signed-off-by: Nisar Hassan Naqvi <syednisarhassan12@gmail.com>

packages/core/package.json

@@ -36,8 +36,8 @@
     "nsfw": "^1.2.9",
     "p-debounce": "^2.1.0",
     "perfect-scrollbar": "^1.3.0",
-    "react": "^16.4.1",
-    "react-dom": "^16.4.1",
+    "react": "16.8",
+    "react-dom": "16.8",
     "react-virtualized": "^9.20.0",
     "reconnecting-websocket": "^4.2.0",
     "reflect-metadata": "^0.1.10",
@@ -100,4 +100,4 @@
   "nyc": {
     "extends": "../../configs/nyc.json"
   }
-}
+}

yarn.lock

@@ -10489,15 +10489,15 @@ react-autosize-textarea@^7.0.0:
     line-height "^0.3.1"
     prop-types "^15.5.6"
 
-react-dom@^16.4.1:
-  version "16.12.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.12.0.tgz#0da4b714b8d13c2038c9396b54a92baea633fe11"
-  integrity sha512-LMxFfAGrcS3kETtQaCkTKjMiifahaMySFDn71fZUNpPHZQEzmk/GiAeIT8JSOrHB23fnuCOMruL2a8NYlw+8Gw==
+react-dom@16.8:
+  version "16.8.6"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.6.tgz#71d6303f631e8b0097f56165ef608f051ff6e10f"
+  integrity sha512-1nL7PIq9LTL3fthPqwkvr2zY7phIPjYrT0jp4HjyEQrEROnw4dG41VVwi/wfoCneoleqrNX7iAD+pXebJZwrwA==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.18.0"
+    scheduler "^0.13.6"
 
 react-is@^16.8.1:
   version "16.12.0"
@@ -10529,14 +10529,15 @@ react-virtualized@^9.20.0:
     prop-types "^15.6.0"
     react-lifecycles-compat "^3.0.4"
 
-react@^16.4.1:
-  version "16.12.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.12.0.tgz#0c0a9c6a142429e3614834d5a778e18aa78a0b83"
-  integrity sha512-fglqy3k5E+81pA8s+7K0/T3DBCF0ZDOher1elBFzF7O6arXJgzyu/FW+COxFvAWXJoJN9KIZbT2LXlukwphYTA==
+react@16.8:
+  version "16.8.6"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.8.6.tgz#ad6c3a9614fd3a4e9ef51117f54d888da01f2bbe"
+  integrity sha512-pC0uMkhLaHm11ZSJULfOBqV4tIZkx87ZLvbbQYunNixAAvjnC+snJCg0XQXn9VIsttVsbZP/H/ewzgsd5fxKXw==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
+    scheduler "^0.13.6"
 
 read-chunk@^2.1.0:
   version "2.1.0"
@@ -11207,10 +11208,10 @@ sax@^1.2.4, sax@~1.2.1:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-scheduler@^0.18.0:
-  version "0.18.0"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.18.0.tgz#5901ad6659bc1d8f3fdaf36eb7a67b0d6746b1c4"
-  integrity sha512-agTSHR1Nbfi6ulI0kYNK0203joW2Y5W4po4l+v03tOoiJKpTBbxpNhWDvqc/4IcOw+KLmSiQLTasZ4cab2/UWQ==
+scheduler@^0.13.6:
+  version "0.13.6"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.13.6.tgz#466a4ec332467b31a91b9bf74e5347072e4cd889"
+  integrity sha512-IWnObHt413ucAYKsD9J1QShUKkbKLQQHdxRyw73sw4FN26iWr3DY/H34xGPe4nmL1DwXyWmSWmMrA9TfQbE/XQ==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"