Arc updates for March release (#14970)

* Updated Postgres Spec for where to find engine version, removed calling calling -ev in edit commands (#14735)

* Added spec.engine.version, took out calling engine version with edit calls

* Added text wrong place

* missed updates

* PR fix

* Update Arc Postgres troubleshooting notebook

Co-authored-by: Brian Bergeron <brberger@microsoft.com>

* Remove AzdataSession from azdata commands (#14856)

* remove session

* Add in controller-context support

* Revert "Add in controller-context support"

This reverts commit 3b39b968efbf6054041cb01cb2d8443532643a82.

* Add azdataContext to login

* Undo book change

* Undo change correctly

* Add controller context support (#14862)

* remove session

* Add in controller-context support

* Add params to fake

* Fix tests

* Add info and placeholder for controller URL/name (#14887)

* Add info and placeholder for controller URL

* add period + update name

* update memento and allow editing of namespace/URL

* vBump

* vBump

* Fix tests

Co-authored-by: nasc17 <69922333+nasc17@users.noreply.github.com>
Co-authored-by: Brian Bergeron <brian.e.bergeron@gmail.com>
Co-authored-by: Brian Bergeron <brberger@microsoft.com>

extensions/arc/src/test/models/postgresModel.test.ts

@@ -40,7 +40,8 @@ export const FakePostgresServerShowOutput: azdataExt.AzdataOutput<azdataExt.Post
 				extensions: [{ name: '' }],
 				settings: {
 					default: { ['']: '' }
-				}
+				},
+				version: ''
 			},
 			scale: {
 				shards: 0,
@@ -114,7 +115,7 @@ describe('PostgresModel', function (): void {
 		controllerModel = new FakeControllerModel();
 
 		//Stub calling azdata login and acquiring session
-		sinon.stub(controllerModel, 'acquireAzdataSession').returns(Promise.resolve(vscode.Disposable.from()));
+		sinon.stub(controllerModel, 'login').returns(Promise.resolve());
 
 		// Stub the azdata CLI API
 		azdataApi = new FakeAzdataApi();