Method persistTreeExpansion

app/src/DataModel/ProjectEditor.cpp:5772–5775

* @brief Pushes the current tree expansion into the project model (e.g. after a manual toggle). */

 * @brief Pushes the current tree expansion into the project model (e.g. after a manual toggle).
 */
void DataModel::ProjectEditor::persistTreeExpansion()
{
  DataModel::ProjectModel::instance().setTreeExpansion(snapshotTreeExpansion());
}

//--------------------------------------------------------------------------------------------------
// Multi-selection