REF: process_segmentation: changed order of flags
REF: process_segmentation: changed order of flags

Former-commit-id: a6b3396e5b241eff09a25d1c27338fef8965e523
Former-commit-id: 1c0853c20e44157b65f202752571b4f5e45aad00
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox