Fix #3736 Notebook: cannot connect to SQL big data cluster due to empty config.json file (#3738)

- Writing the config file in the core for now, will look to move to the extension in Feb release

src/sql/parts/notebook/models/notebookModel.ts

@@ -398,7 +398,7 @@ export class NotebookModel extends Disposable implements INotebookModel {
 			if (!newConnection && this._activeContexts.defaultConnection.options['host'] === host) {
 				newConnection = this._activeContexts.defaultConnection;
 			}
-			SparkMagicContexts.configureContext(this.notebookOptions);
+			SparkMagicContexts.configureContext();
 			this._hadoopConnection = new NotebookConnection(newConnection);
 			this.refreshConnections(newConnection);
 			this._activeClientSession.updateConnection(this._hadoopConnection);