Fixing FastChain ART test running PU digitization
FastChain ART test running standard PU digitization fails because Simulation/Digitization package was moved to Simulation/Digitization/DigitizationConfig. This MR fixes this failure.
FastChain ART test running standard PU digitization fails because Simulation/Digitization package was moved to Simulation/Digitization/DigitizationConfig. This MR fixes this failure.