src/vs/workbench/contrib/preferences/browser/settingsWidgets.ts/ListSettingWidget/setValue
class ListSettingWidget:	override setValue(listData: IListDataItem[], options?: IListSetValueOptions) {
		this.keyValueSuggester = options?.keySuggester;
		this.showAddButton = options?.showAddButton ?? true;
		super.setValue(listData);
	}