Minor CutFlowHelpers 21.X reproducibility fixes

Minor CutFlowHelpers fixes to make output closer to what is in 21.2.

/cc @tsulaia

This merge request affects 1 package:

• Event/EventBookkeeperTools

Adding @tadej as watcher

added EDM master review-pending-level-1 labels

CI Result SUCCESS (hash d7e0b1bb)

	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 13321]

The changes look good to me, and CI passes. Approving.

Xiaozhong (L1)

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

merged

mentioned in commit c3c90454

added sweep:ignore label