feat: new login experience (#2139)

* feat: multiple auth instances

* fix: auth setup + strategy initialization

* feat: admin auth - add strategy

* feat: redirect on login - group setting

* feat: oauth2 generic - props definitions

* feat: new login UI (wip)

* feat: new login UI (wip)

* feat: admin security login settings

* feat: tabset editor indicators + print view improvements

* fix: code styling

package.json

@@ -224,6 +224,7 @@
     "babel-plugin-transform-imports": "2.0.0",
     "cache-loader": "4.1.0",
     "canvas-confetti": "1.2.0",
+    "cash-dom": "8.0.0",
     "chart.js": "2.9.3",
     "clean-webpack-plugin": "3.0.0",
     "clipboard": "2.0.6",
@@ -318,6 +319,7 @@
     "webpack-dev-middleware": "3.7.2",
     "webpack-hot-middleware": "2.25.0",
     "webpack-merge": "4.2.2",
+    "webpack-modernizr-loader": "5.0.0",
     "webpack-subresource-integrity": "1.4.1",
     "webpackbar": "4.0.0",
     "whatwg-fetch": "3.0.0",