Method currentGroupId

app/src/DataModel/ProjectEditor.cpp:1054–1057

* @brief Returns the current group's ID, or -1 when no group is selected. */

 * @brief Returns the current group's ID, or -1 when no group is selected.
 */
int DataModel::ProjectEditor::currentGroupId() const
{
  return m_selectedGroup.groupId;
}

/**
 * @brief Builds a QVariantList describing the current group's datasets so QML preview tooling can