REF: adapt resampling interpolation to new format (trlinear --> linear)
REF: adapt resampling interpolation to new format (trlinear --> linear)

Former-commit-id: 3ea04d7ee5bfa4531ec9cfdbfb78a2051f509dfb
Former-commit-id: 72e33180b97cd38b91fd324df2f08d69ac9fbdfd
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox