TrigAnalysisTest: Fix input flag setting in corner-case legacy tests

Hopefully the last fix for ATR-22504

This merge request affects 1 package:

• Trigger/TrigValidation/TrigAnalysisTest

This merge request affects 3 files:

• Trigger/TrigValidation/TrigAnalysisTest/share/testAthenaTrigAOD_TrigDecTool.py
• Trigger/TrigValidation/TrigAnalysisTest/share/testAthenaTrigAOD_TrigEDMAuxCheck.py
• Trigger/TrigValidation/TrigAnalysisTest/share/testAthenaTrigAOD_TrigEDMCheck.py

Adding @okumura ,@jpanduro as watchers

added Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 73fa1197)

	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 25328]

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

merged

mentioned in commit 034b8381

added sweep:ignore label