Convert Run 2 L1 Prescales to Run 3 format
Changes allow to write out L1 presclaes JSON from Run 2 config data. Tagging @stelzer Related to: https://its.cern.ch/jira/browse/ATR-22589
Changes allow to write out L1 presclaes JSON from Run 2 config data. Tagging @stelzer Related to: https://its.cern.ch/jira/browse/ATR-22589