Check calo bank size
Skip the bank if the data is empty
Needed to avoid crashes observed in the calo monitoring since 12.07, see eg. https://lblogbook.cern.ch/Shift/4287
Edited by Carla Marin Benito
Skip the bank if the data is empty
Needed to avoid crashes observed in the calo monitoring since 12.07, see eg. https://lblogbook.cern.ch/Shift/4287