TileByteStream: Use AthConstConverter.

Change converters in this package to use AthConstConverter as a base class, to make the conversion methods explicitly const. Some further const cleanup.

This merge request affects 1 package:

• TileCalorimeter/TileSvc/TileByteStream

Adding @pavol ,@solodkov ,@harkusha as watchers

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

CI Result SUCCESS (hash aa7dfe35)

	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 21743]

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

merged

mentioned in commit 795838f7

added sweep:ignore label