Switch from deprecated ClusterWS/cws to ws package (#15932)

* Switch from deprecated ClusterWS/cws to ws package

Fixes #15184

Co-authored-by: Edho Arief <me@nanaya.pro>

* Make bufferutil and utf-8-validate optional dependencies

Co-authored-by: Edho Arief <me@nanaya.pro>

package.json

@@ -67,7 +67,6 @@
     "@babel/preset-env": "^7.13.10",
     "@babel/preset-react": "^7.12.13",
     "@babel/runtime": "^7.13.10",
-    "@clusterws/cws": "^3.0.0",
     "@gamestdio/websocket": "^0.3.2",
     "@github/webauthn-json": "^0.5.7",
     "@rails/ujs": "^6.1.3",
@@ -169,7 +168,8 @@
     "webpack-bundle-analyzer": "^4.4.0",
     "webpack-cli": "^3.3.12",
     "webpack-merge": "^5.7.3",
-    "wicg-inert": "^3.1.1"
+    "wicg-inert": "^3.1.1",
+    "ws": "^7.4.4"
   },
   "devDependencies": {
     "@testing-library/jest-dom": "^5.11.9",
@@ -191,5 +191,9 @@
   },
   "resolutions": {
     "kind-of": "^6.0.3"
+  },
+  "optionalDependencies": {
+    "bufferutil": "^4.0.3",
+    "utf-8-validate": "^5.0.4"
   }
 }