EventSelectorAthenaPool+TrkPatternParameters+TrkDetDescrSvc: Fix clang warnings.

• Spurious copy in for loop.
• Missing override keywords.

This merge request affects 3 files:

• Database/AthenaPOOL/EventSelectorAthenaPool/src/EventSelectorAthenaPool.cxx
• Tracking/TrkDetDescr/TrkDetDescrSvc/TrkDetDescrSvc/TrackingGeometryMirror.h
• Tracking/TrkEvent/TrkPatternParameters/TrkPatternParameters/PatternTrackParameters.h

Adding @amorley ,@gavrilen ,@tadej ,@ssnyder ,@mnowak as watchers

added Database JetEtmiss Tracking master review-pending-level-1 labels

CI Result SUCCESS (hash 6d94b412)

	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 23331]

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

merged

mentioned in commit 54c93281

added sweep:ignore label