SUSYTools - Update implementation JetTruthLabelingTool

Marco Rimoldirequested to merge
mrimoldi/athena:truthJET into master

Updating SUSYtools - JetTruthLabelingTool implementation. Probably it is better to wait for !56588 (merged) before merging this one. Also Tagging @wbalunas

Edited by Marco Rimoldi

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