std::map::insert_or_assign is only in C++ starting from C++17
std::map::insert_or_assign is only in C++ starting from C++17

Ubuntu-18.04 Release All CI-test-system is not configured properly

MITK/MITK,fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk,MITK/MITK,MITK/MITK,MITK/MITK,fmilano/mitk,MITK/MITK,fmilano/mitk,fmilano/mitk,fmilano/mitk