re microsoft#100458.

rebornix · rebornix · commit 2feb039432ea · 2020-06-23T19:30:21.000-07:00
diff --git a/src/vs/workbench/contrib/notebook/browser/notebookEditorWidget.ts b/src/vs/workbench/contrib/notebook/browser/notebookEditorWidget.ts
@@ -394,6 +394,8 @@ export class NotebookEditorWidget extends Disposable implements INotebookEditor
 		if (this._notebookViewModel === undefined || !this._notebookViewModel.equal(textModel)) {
 			this._detachModel();
 			await this._attachModel(textModel, viewState);
+		} else {
+			this._restoreListViewState(viewState);
 		}
 
 		// clear state

Original file line number	Diff line number	Diff line change
`@@ -394,6 +394,8 @@ export class NotebookEditorWidget extends Disposable implements INotebookEditor`
`394`	`394`	`if (this._notebookViewModel === undefined \|\| !this._notebookViewModel.equal(textModel)) {`
`395`	`395`	`this._detachModel();`
`396`	`396`	`await this._attachModel(textModel, viewState);`
	`397`	`+ } else {`
	`398`	`+ this._restoreListViewState(viewState);`
`397`	`399`	`}`
`398`	`400`
`399`	`401`	`// clear state`