Fixes to CAtoGlobal wrapping code

Some fixes to the code that allows to append ComponentAccumulator-configured fragments into old-style athena:

• Recursively convert GaudiConfig2-ListHelpers to plain list
• do not append duplicates to SvcMgr, ToolSvc, etc
• Fix some typos

Related to ATLASRECTS-5562

added NewConfig label

This merge request affects 1 package:

• Control/AthenaConfiguration

Adding @ssnyder as watcher

added Core master review-pending-level-1 labels

CI Result FAILURE (hash caf26ce5)

	Athena	AthSimulation	AnalysisBase	AthGeneration
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
AnalysisBase: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 17426]

The changes look fine and the CI issues are unrelated. Approving.

Jason (L1)

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

merged

mentioned in commit a17ad5ac

added sweep:ignore label