Enable SQL Auth Provider support (#21903)

src/sql/workbench/api/browser/mainThreadAccountManagement.ts

@@ -72,7 +72,6 @@ export class MainThreadAccountManagement extends Disposable implements MainThrea
 			clear(accountKey: azdata.AccountKey): Thenable<void> {
 				return self._proxy.$clear(handle, accountKey);
 			},
-
 			getSecurityToken(account: azdata.Account, resource: azdata.AzureResource): Thenable<{}> {
 				return self._proxy.$getSecurityToken(account, resource);
 			},

src/sql/workbench/api/common/extHostAccountManagement.ts

@@ -114,7 +114,6 @@ export class ExtHostAccountManagement extends ExtHostAccountManagementShape {
 		});
 	}
 
-
 	public get onDidChangeAccounts(): Event<azdata.DidChangeAccountsParams> {
 		return this._onDidChangeAccounts.event;
 	}

src/sql/workbench/api/common/sqlExtHostTypes.ts

@@ -474,7 +474,8 @@ export enum AzureResource {
 	AzureLogAnalytics = 8,
 	AzureStorage = 9,
 	AzureKusto = 10,
-	PowerBi = 11
+	PowerBi = 11,
+	Custom = 12 // Handles custom resource URIs as received from server endpoint.
 }
 
 export class TreeItem extends vsExtTypes.TreeItem {