src/vs/workbench/contrib/comments/browser/commentsView.ts/CommentsPanel/saveState
class CommentsPanel:	override saveState(): void {
		this.viewState['filter'] = this.filterWidget.getFilterText();
		this.viewState['filterHistory'] = this.filterWidget.getHistory();
		this.viewState['showResolved'] = this.filters.showResolved;
		this.viewState['showUnresolved'] = this.filters.showUnresolved;
		this.stateMemento.saveMemento();
		super.saveState();
	}