Sweeping !58889 from master to 22.0. PerfMonComps: Update the handling of the end of the event loop in PerfMonMTSvcCloses ATEAM-872

Atlas Nightlybuildrequested to merge
cherry-pick-a7d6699b902-22.0 into 22.0

PerfMonComps: Update the handling of the end of the event loop in PerfMonMTSvc

Closes ATEAM-872

See merge request !58889 (merged)

Merge request reports