Refactor edge node routine and add also use it for xz- and yz-edges

src/gpu/VirtualFluids_GPU/Communication/ExchangeData27.cpp

src/gpu/VirtualFluids_GPU/LBM/Simulation.cpp

src/gpu/VirtualFluids_GPU/Parameter/Parameter.cpp

src/gpu/VirtualFluids_GPU/Parameter/Parameter.h