src/vs/workbench/contrib/comments/browser/commentThreadZoneWidget.ts/ReviewZoneWidget/expand
class ReviewZoneWidget:	public expand(): Promise<void> {
		this._commentThread.collapsibleState = languages.CommentThreadCollapsibleState.Expanded;
		const lineNumber = this._commentThread.range.endLineNumber;

		this.show({ lineNumber, column: 1 }, 2);
		return Promise.resolve();
	}