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MuonCreatorTool - Ensure that decorations are present

Johannes Junggeburth requested to merge (removed):ATLASRECTS-6454 into master

Hi,

in ATLASRECTS-6454, @jcatmore reported that certain decorators are not present in every event leading to a file corruption. This MR cures the first batch of corruptors, namely:

CombinedMuonsLRTTrackParticles : trackParameterCovarianceMatrices (34% of events)
CombinedMuonTrackParticles : trackParameterCovarianceMatrices (10% of events)
Muons : CT_ET_Core (7 per mile)
Muons: ClusterInfo_deltaR (1 event in whole file of 5916 events)

which occur if STACO muons or StandAlone muons are the only muon types in the event. The last one is an issue in the flow isolation algorithm happening if the muon does not have an associated cluster.

Edited by Johannes Junggeburth

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