DataModelTestDataCommon: selection.xml fix

Accessor classes were moved from SG::AuxElement to SG::.

This merge request affects 1 package:

• Control/DataModelTest/DataModelTestDataCommon

This merge request affects 1 file:

• Control/DataModelTest/DataModelTestDataCommon/DataModelTestDataCommon/selection.xml

Adding @ssnyder as watcher

added Core main review-pending-level-1 labels

CI Result SUCCESS (hash 5d013dde)

	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 9794] (remote access info)

removed review-pending-level-1 label

added review-approved label

merged

mentioned in commit d2fb9b25