[MaterialLib/PorousMedium] Use parameter in Porosity impl.

MaterialLib/PorousMedium/CreatePorousMediaProperties.cpp

MaterialLib/PorousMedium/Porosity/ConstantPorosity.h

MaterialLib/PorousMedium/Porosity/Porosity.h

MaterialLib/PorousMedium/Porosity/createPorosityModel.cpp

MaterialLib/PorousMedium/Porosity/createPorosityModel.h

...b/TwoPhaseModels/CreateTwoPhaseFlowMaterialProperties.cpp

...Lib/TwoPhaseModels/CreateTwoPhaseFlowMaterialProperties.h

...b/TwoPhaseModels/TwoPhaseFlowWithPPMaterialProperties.cpp

ProcessLib/ComponentTransport/ComponentTransportFEM.h

ProcessLib/HT/HTFEM.h

ProcessLib/HeatConduction/HeatConductionFEM-impl.h

ProcessLib/LiquidFlow/CreateLiquidFlowMaterialProperties.cpp

ProcessLib/LiquidFlow/LiquidFlowLocalAssembler-impl.h

ProcessLib/LiquidFlow/LiquidFlowMaterialProperties.cpp

ProcessLib/LiquidFlow/LiquidFlowMaterialProperties.h

...ichardsComponentTransport/CreatePorousMediaProperties.cpp

...dsComponentTransport/RichardsComponentTransportFEM-impl.h

...Lib/RichardsFlow/CreateRichardsFlowMaterialProperties.cpp

...ssLib/RichardsFlow/CreateRichardsFlowMaterialProperties.h

ProcessLib/RichardsFlow/CreateRichardsFlowProcess.cpp