show notebook as trusted when it belongs to a trusted book (#15093)

* check for trusted books

* don't add to trustedNotebooksMomento

* update comment

* added comments

* remove empty line

src/sql/workbench/test/electron-browser/api/mainThreadNotebook.test.ts

@@ -50,6 +50,7 @@ suite('MainThreadNotebook Tests', () => {
 			undefined,
 			undefined,
 			undefined,
+			undefined,
 		);
 		mockNotebookService = TypeMoq.Mock.ofInstance(notebookService);
 		notebookUri = URI.parse('file:/user/default/my.ipynb');