Functionality added to reading such that HLT1 decisions can be accessed with FunTuple
set_hltAnn_svc function returns HLT1 selection IDs hlt1_decisions function added (following format of hlt2_decisions) to return HltDecReportsDecoder instance for HLT1 decisions
These changes are necessary such that FunTuple can read in HLT1 decisions from an input json
Needed by DaVinci!691 (merged), Moore!1580 (merged)