Add configs to force decays of Xic for MC productions for triggered data

[fgrosa]

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[fgrosa]

Hi @stefanopolitano after discussing with @gluparel I also slightly modified the decay tables for MC productions including all the charm-strange baryons (see dbcfcfb). In particular I increased the OmegaC->OmegaPi channel from 50% to 70%, since it's the main decay channel. I then reduced the OmegaC->XiPi from 50% to 10%, and I added 20% OmegaC->OmegaKa that was missing.
I then slightly increased the fraction of Xic+ decaying to XiPiPi and I removed the pKpi channel in the config for triggered data. Could you please check if it's fine and if so approve it? Thanks!