Fix missing password in Connection pane for Server connections with remembered passwords (#21813)

* Fix missing password in Connection pane

* Get saved password for SQL login default auth type

* Clean up

* Fix build hygiene errors

* Captures input

* Add timeout waiting for all promises to resolve

* Add missing semicolon

* Code review feedback

* Minor clean up

* Code review feedback

* Improved error messaging

* Update src/sql/workbench/services/connection/browser/connectionDialogService.ts

Co-authored-by: Charles Gagnon <chgagnon@microsoft.com>

* Improves UX around loading passwords

* Remove unused import

* Uses await instead of promise chaining.

* Removes async

* Revert back to resolving password promise.

* Asserts controller map and model have values.

---------

Co-authored-by: Charles Gagnon <chgagnon@microsoft.com>

src/sql/workbench/services/connection/test/browser/connectionDialogService.test.ts

@@ -306,9 +306,16 @@ suite('ConnectionDialogService tests', () => {
 		mockWidget.setup(x => x.fillInConnectionInputs(TypeMoq.It.isAny())).returns(() => {
 			called = true;
 		});
+
 		await connectionDialogService.showDialog(mockConnectionManagementService.object, testConnectionParams, connectionProfile);
 		await (connectionDialogService as any).handleFillInConnectionInputs(connectionProfile);
-		let returnedModel = ((connectionDialogService as any)._connectionControllerMap['MSSQL'] as any)._model;
+
+		let connectionControllerMap = (connectionDialogService as any)._connectionControllerMap;
+		assert(!!connectionControllerMap);
+
+		let returnedModel = (connectionControllerMap['MSSQL'] as any)._model;
+		assert(!!returnedModel);
+
 		assert.strictEqual(returnedModel._groupName, 'testGroup');
 		assert(called);
 	});