New azure authentication experience (#8483)

* Changes

* Work in progress

* Authenticate with azure

* enbable national clouds and initialization

* Add support for tenants

* Finish up account work

* Finish up azure auth

* Don't allow prompt if we're not initialized

* Shut down server

* Remove trailing comma

* encode uri component

* ignore errors

* Address comments on github

* Fix issues and disable feature without env var

* Don't encode the nonce

* Only use env variables to disable the new sign in

* Show more user friendly messages to users

extensions/azurecore/package.json

@@ -12,6 +12,7 @@
   "activationEvents": [
     "*"
   ],
+  "enableProposedApi": true,
   "main": "./out/extension",
   "repository": {
     "type": "git",
@@ -179,7 +180,7 @@
   "dependencies": {
     "@azure/arm-resourcegraph": "^2.0.0",
     "@azure/arm-subscriptions": "1.0.0",
-    "adal-node": "^0.1.28",
+    "adal-node": "^0.2.1",
     "request": "2.88.0",
     "vscode-nls": "^4.0.0"
   },