Added egamma chains

This is to add e/gamma chains listed in ATR-20049. All except isolated chains and those seeded by L1EM15VHI (as not in the menu) are added

Pingin @dbakshig @markowen.

@cjmeyer and Fernando

added Egamma Trigger TriggerMenu master labels

WARNING: big files (>100K) are found in the changeset

160K in file Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_mt1_build.ref

168K in file Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref

This merge request affects 3 packages:

• Trigger/TrigValidation/TrigAnalysisTest
• Trigger/TrigValidation/TriggerTest
• Trigger/TriggerCommon/TriggerMenuMT

Adding @okumura ,@bernius ,@jpanduro as watchers

added review-pending-level-1 label

CI Result SUCCESS (hash 9408c385)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 20510]

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

mentioned in commit f61a0996

merged

added sweep:ignore label