FlavourTaggingTests: Fix clang warnings.

Missing override keywords. Spurious copies in range-for.

This merge request affects 1 package:

• PhysicsAnalysis/JetTagging/FlavourTaggingTests

This merge request affects 4 files:

• PhysicsAnalysis/JetTagging/FlavourTaggingTests/FlavourTaggingTests/PhysicsTriggerVariablePlots.h
• PhysicsAnalysis/JetTagging/FlavourTaggingTests/FlavourTaggingTests/PhysicsVariablePlots.h
• PhysicsAnalysis/JetTagging/FlavourTaggingTests/src/PhysicsTriggerVariablePlots.cxx
• PhysicsAnalysis/JetTagging/FlavourTaggingTests/src/PhysicsVariablePlots.cxx

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

CI Result SUCCESS (hash 5bd1dced)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
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
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 35919]

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

merged

mentioned in commit 1be7c13b

added sweep:ignore label