Fix for Shared I/O with StreamClient in multi-stream mode.

Prevent using separate tools for each files if they were not configured.

This merge request affects 1 package:

• Database/AthenaPOOL/AthenaPoolCnvSvc

This merge request affects 1 file:

• Database/AthenaPOOL/AthenaPoolCnvSvc/src/AthenaPoolCnvSvc.cxx

Adding @ssnyder ,@mnowak as watchers

added Database master review-pending-level-1 labels

CI Result SUCCESS (hash ddb6dd06)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 27939]

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

merged

mentioned in commit 349f2f1b

added sweep:ignore label