Update webpack-dev-server to latest 3.7.2 and remove unused webpack-dev-middleware.

Author: lbogdan

packages/app/package.json

@@ -115,8 +115,7 @@
     "webpack": "^4.35.0",
     "webpack-bundle-analyzer": "^2.13.1",
     "webpack-cli": "^3.1.2",
-    "webpack-dev-middleware": "^3.1.3",
-    "webpack-dev-server": "^3.2.1",
+    "webpack-dev-server": "^3.7.2",
     "webpack-manifest-plugin": "^2.0.3",
     "webpack-merge": "^4.1.0",
     "whatwg-fetch": "^2.0.3",

packages/app/scripts/start.js

@@ -266,6 +266,7 @@ function runDevServer(port, protocol, index) {
     contentBase: false,
     clientLogLevel: 'warning',
     overlay: true,
+    inline: false,
   });
 
   // Our custom middleware proxies requests to /index.html or a remote API.