Add CTPEmulation in chainDump.py
Add CTPEmulation/output in the default chainDump histograms. Also needed to slightly adapt the way of retrieving histograms from file to handle multi-level directory structure.
This addresses ATR-19616
Add CTPEmulation/output in the default chainDump histograms. Also needed to slightly adapt the way of retrieving histograms from file to handle multi-level directory structure.
This addresses ATR-19616