NSW Trigger - Use new format to retrieve event number

Propagating the new format from NSWL1Simulation.cxx to the other parts of the code, thus updating the old instances with the new ones

This merge request affects 1 package:

• Trigger/TrigT1/TrigT1NSWSimTools

This merge request affects 2 files:

• Trigger/TrigT1/TrigT1NSWSimTools/src/MMLoadVariables.cxx
• Trigger/TrigT1/TrigT1NSWSimTools/src/MMTriggerTool.cxx

Adding @afaulkne as watcher

added Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 43824dd3)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 44858]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit bb59c301

added sweep:ignore label