[A/U] Change from ValueArg<bool> to SwitchArg.

Applications/Utils/FileConverter/GocadSGridReader.cpp

Applications/Utils/FileConverter/OGS2VTK.cpp

...Utils/MeshEdit/CreateBoundaryConditionsAlongPolylines.cpp

Applications/Utils/MeshEdit/MapGeometryToMeshSurface.cpp

Applications/Utils/MeshEdit/createLayeredMeshFromRasters.cpp

...ations/Utils/MeshGeoTools/constructMeshesFromGeometry.cpp

Applications/Utils/MeshGeoTools/identifySubdomains.cpp

...pleMeshCreation/createMeshElemPropertiesFromASCRaster.cpp