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

src/sql/workbench/contrib/accounts/browser/accountDialog.ts

@@ -188,6 +188,7 @@ export class AccountDialog extends Modal {
 		const buttonSection = DOM.append(this._noaccountViewContainer, DOM.$('div.button-section'));
 		this._addAccountButton = new Button(buttonSection);
 		this._addAccountButton.label = localize('accountDialog.addConnection', "Add an account");
+
 		this._register(this._addAccountButton.onDidClick(() => {
 			(<IProviderViewUiComponent>values(this._providerViewsMap)[0]).addAccountAction.run();
 		}));