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/src/account-provider/azureAccountProvider.ts

@@ -432,6 +432,7 @@ export class AzureAccountProvider implements azdata.AccountProvider {
 				displayName: displayName
 			},
 			properties: {
+				providerSettings: this._metadata,
 				isMsAccount: msa,
 				tenants: tenants
 			},