FolderListModel has a conditional endModelReset

void QQuickFolderListModel::setFolder(const QUrl &folder)
{
    Q_D(QQuickFolderListModel);    
    if (folder == d->currentDir)
        return;    
    
    QString resolvedPath = QQuickFolderListModelPrivate::resolvePath(folder);

    qCDebug(lcFolderListModel) << "about to emit beginResetModel since our folder was set to" << folder;
    beginResetModel();    //Remove the old path for the file system watcher

    if (!d->currentDir.isEmpty())
        d->fileInfoThread.removePath(d->currentDir.path());

    d->currentDir = folder;
    QFileInfo info(resolvedPath);

    if (!info.exists() || !info.isDir()) {
        d->data.clear();
        endResetModel();
        emit rowCountChanged();
        if (d->status != QQuickFolderListModel::Null) {
            d->status = QQuickFolderListModel::Null;
            emit statusChanged();
        }
        return;
    }

    d->fileInfoThread.setPath(resolvedPath);
}