* Rename "emptyMenu" tests to "L1SimOnly"
* Improve naming and consistent use of flags steering Phase-I and Legacy LVL1 simulation/decoding
* Add new test "L1SimOnly_phaseI" with doLVL1PhaseI=True
* Configure PhaseI MUCTPI simulation in Lvl1SimulationConfig
* Add dummy xAOD::MuonRoIContainer output in the TrigT1MuctpiPhase1 tool
* Minor updates in TrigT1MuctpiPhase1