set notebook widget to visible when focusing the IW Editor

Author: amunger

src/vs/workbench/contrib/interactive/browser/interactiveEditor.ts

@@ -670,6 +670,7 @@ export class InteractiveEditor extends EditorPane {
 	}
 
 	override focus() {
+		this.#notebookWidget.value?.show();
 		this.#codeEditorWidget.focus();
 	}
 

src/vs/workbench/contrib/notebook/browser/notebookEditorWidget.ts

@@ -1913,6 +1913,10 @@ export class NotebookEditorWidget extends Disposable implements INotebookEditorD
 		}
 	}
 
+	show() {
+		this._isVisible = true;
+	}
+
 	private focusEditor(activeElement: CellViewModel): void {
 		for (const [element, editor] of this._renderedEditors.entries()) {
 			if (element === activeElement) {