Adding MCH aQC for MC

[lmassacr]

Adding to DPG scripts the workflows for the aQC of MCH and MCH+MID objects

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[chiarazampolli]

Hello @JianLIUhep , @aferrero2707

Can you check this one?

Chiara

[JianLIUhep]

Hi @lmassacr, is MC/config/QC/json/mftmchmid-tracks-task.json needed? I do not see it is included in any workflow you introduced in this PR.

[lmassacr]

Hi @JianLIUhep,

Indeed I anticipated a next PR to come by putting already the json file. I still need indeed to add the workflow for MCH+MFT and MCH+MFT+MID tracks for the MC aQC. The corresponding modifications of the dpg scripts is work in progress. My local tests are currently failing.

Regarding this PR, I see that I have an error in the automatic checks (which I didn't get locally). This is related to the fact the the QC reads some intermediate .root files produced by the muon reco, for which it seems the file is eitheir corrupted or an array was not properly filled.
I was wondering if this could be due to the fact that only few simulated events are produced by the test and the array is empty. I am not sure how to add a protection in the dpg script against this problem. This is actually not directly a feature of the QC code I commited.
@aferrero2707 do you have some suggestions?

Cheers,
Laure