Use PV container for upgrade dumping
Fix based on the presentation from Maxime Fernoux: https://indico.cern.ch/event/1161807/#5-qt-update-development-of-dip
Edited by Sebastien Rettie
Fix based on the presentation from Maxime Fernoux: https://indico.cern.ch/event/1161807/#5-qt-update-development-of-dip