Fix potential usage of a null pointer

The pointer to the IODataManagerSvc was not initialised - and presumably never used...

added bug fix legacy lhcb-run2-patches labels

changed the description

• [2024-10-18 00:15] Validation started with lhcb-run2-patches#1582
• [2024-10-19 00:04] Validation started with lhcb-run2-patches-dev4#1730
• [2024-10-19 00:04] Validation started with lhcb-run2-patches#1583
• [2024-10-20 00:04] Validation started with lhcb-run2-gaudi-head#857
• [2024-10-20 00:10] Validation started with lhcb-run2-patches#1584
• [2024-10-21 00:04] Validation started with lhcb-run2-gaudi-head#858

marked this merge request as ready

added all-slots label and removed lhcb-run2-patches label

removed all-slots label

mentioned in commit 52ec25b4

merged