INT-3331: downgrade @ephox/bedrock-server to latest stable.

package.json

@@ -25,7 +25,7 @@
   "devDependencies": {
     "@ephox/agar": "^8.0.1",
     "@ephox/bedrock-client": "^14.1.1",
-    "@ephox/bedrock-server": "^15.0.0-alpha.4",
+    "@ephox/bedrock-server": "^14.1.4",
     "@ephox/katamari": "^9.1.5",
     "@ephox/sugar": "^9.2.1",
     "@ephox/swag": "^4.6.0",

yarn.lock

@@ -682,24 +682,25 @@
   dependencies:
     diff "^5.0.0"
 
-"@ephox/bedrock-runner@^15.0.0-alpha.4":
-  version "15.0.0-alpha.4"
-  resolved "https://registry.yarnpkg.com/@ephox/bedrock-runner/-/bedrock-runner-15.0.0-alpha.4.tgz#0352d7b19a43a5db82f4b8836546a97523f8ef37"
-  integrity sha512-F8C6L7iPwB63nVq6mgVc++zWZeUPBH8mjG8Dgy38+cXYKRJiCmitlYjKvwow1erF8G72VlbAkYmhgouOKO3Yyg==
+"@ephox/bedrock-runner@^14.1.1":
+  version "14.1.1"
+  resolved "https://registry.yarnpkg.com/@ephox/bedrock-runner/-/bedrock-runner-14.1.1.tgz#7b5387bf9ee7fbb64836e86d865083f9e979231d"
+  integrity sha512-RF9RGGTUVZuxy9CGU6CitkmFkqFqafMozSq0/9iGJnjE3bYBz+AyQuER0kY7Ck+xjkrWtDXhlJWhqhMzRwja+Q==
   dependencies:
     "@ephox/bedrock-common" "^14.1.1"
+    "@ephox/wrap-promise-polyfill" "^2.2.0"
     jquery "^3.4.1"
     querystringify "^2.1.1"
 
-"@ephox/bedrock-server@^15.0.0-alpha.4":
-  version "15.0.0-alpha.4"
-  resolved "https://registry.yarnpkg.com/@ephox/bedrock-server/-/bedrock-server-15.0.0-alpha.4.tgz#8b5c14f01dc7f697ccc99cedccd36cb804053cb6"
-  integrity sha512-HqrWZYbC57jIvfCwSNhx69VZ113KNbsxG5UyYUPEI+dt+5igBCD5GngeQQ/eUuu2borfW9mCH4wo/pMDF0jANQ==
+"@ephox/bedrock-server@^14.1.4":
+  version "14.1.4"
+  resolved "https://registry.yarnpkg.com/@ephox/bedrock-server/-/bedrock-server-14.1.4.tgz#f3acd25f31d07717092ed1ea8b762f41def85721"
+  integrity sha512-XhDKPmRnk9kaVuoRsph6hb6DvLBzvIh8KBYMGHMymo0kx4cPCFKNbQOaiRdcRESOdkbqQTU78kR/+ONF9C87bw==
   dependencies:
     "@aws-sdk/client-device-farm" "^3.354.0"
     "@ephox/bedrock-client" "^14.1.1"
     "@ephox/bedrock-common" "^14.1.1"
-    "@ephox/bedrock-runner" "^15.0.0-alpha.4"
+    "@ephox/bedrock-runner" "^14.1.1"
     "@jsdevtools/coverage-istanbul-loader" "^3.0.5"
     "@lambdatest/node-tunnel" "^4.0.4"
     "@wdio/globals" "^8.14.1"
@@ -785,6 +786,11 @@
     rollup-plugin-dts "^4.2.2"
     webpack-sources "^2.3.0"
 
+"@ephox/wrap-promise-polyfill@^2.2.0":
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/@ephox/wrap-promise-polyfill/-/wrap-promise-polyfill-2.2.1.tgz#afaabe10bc4c44d167e2f8fa6e722cbd7817d386"
+  integrity sha512-hg2IKjR3E8awv6ZPUZtHVLa+ZQkaN1ksVacw40Jq2gg6uMU9GkBTcSOl+9PswBzva2Jg0lxX0r0ipMAWemDwsA==
+
 "@eslint-community/eslint-utils@^4.2.0":
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/@eslint-community/eslint-utils/-/eslint-utils-4.4.0.tgz#a23514e8fb9af1269d5f7788aa556798d61c6b59"