TrigMissingEtEventTPCnv: Enable thread-safety checking.

Enable thread-safety checking and fix warnings in tests.

This merge request affects 2 packages:

• Trigger/TrigEvent/TrigMissingEtEventTPCnv
• Trigger/TrigEvent/TrigMuonEventTPCnv

Affected files list will not be printed in this case

added JetEtmiss Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash 44ec89d7)

	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 52885]

Changes look good from L1 side - approving.

Jakub (L1 shifter)

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

mentioned in commit b384571c

merged

added sweep:ignore label