if (!isProjectArchive) {
emit showMessage("dialog-close", i18n("File %1\n is not an archived Kdenlive project", m_extractUrl.path()));
groupBox->setEnabled(false);
if (!isProjectArchive) {
emit showMessage("dialog-close", i18n("File %1\n is not an archived Kdenlive project", m_extractUrl.path()));
groupBox->setEnabled(false);