DPG: add track selections and check plots, modify binning (#1063)

* DPG: add track selections and check plots, modify binning
 - Track selection development: Mattia Faggin
 - Check plots and binning changes: Rosario Turrisi

* add author

Co-authored-by: Mattia Faggin <mfaggin@cern.ch>

Author: mfaggin