Add AzureAccount service (#18502)

src/sql/workbench/api/browser/extensionHost.contribution.ts

@@ -3,6 +3,7 @@
  *  Licensed under the Source EULA. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+import './mainThreadAzureAccount';
 import './mainThreadAccountManagement';
 import './mainThreadBackgroundTaskManagement';
 import './mainThreadConnectionManagement';