Fix Run1 PixelDigitization legacy configuration (ATLASSIM-6962)

Output differences were observed between Run1 Pixel Digitization in ART jobs when using legacy and CA-based configuration. This was tracked down to fixes in !41985 (merged) and !45942 (merged) which were only applied to CA-based configuration, but until recently the Run1 Digitization ART jobs only used legacy configuration so the discrepancy was not spotted at the time.

Closes ATLASSIM-6962

added bugfix label

This merge request affects 1 package:

• InnerDetector/InDetDigitization/PixelDigitization

This merge request affects 1 file:

• InnerDetector/InDetDigitization/PixelDigitization/python/PixelDigitizationConfigLegacy.py

Adding @lshan ,@jchapman ,@battagl ,@sroe ,@goetz ,@stsuno as watchers

added Digitization InnerDetector main review-pending-level-1 labels

CI Result SUCCESS (hash 75b2d40b)

	Athena
externals
cmake
make
tests

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Athena: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 3103]

The changes are straightforward and there are no issues with the CI. Approving from L1.

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

mentioned in commit 87e20087

merged