Use DOFs from parmg in P1- and P2-Mapper

• Repair the parallel assembling when using second order FEs.
• Change the grid in film-on-substrate from UGGrid to YaspGrid, because UGGrid lacks face communication for the interface type All_All_Interface. This merge requests needs: https://gitlab.dune-project.org/core/dune-common/merge_requests/672 or https://gitlab.mn.tu-dresden.de/paraphase/dune-parmg/merge_requests/11