- assure that independent on the used unit scheme, SI units are written to the Elmer input file - reverts commits https://github.com/FreeCAD/FreeCAD/commit/9db165b24b and https://github.com/FreeCAD/FreeCAD/commit/c707d192e
- assure that independent on the used unit scheme, SI units are written to the Elmer input file - reverts commits https://github.com/FreeCAD/FreeCAD/commit/9db165b24b and https://github.com/FreeCAD/FreeCAD/commit/c707d192e