OPT: added condition on adaptive nurbs
OPT: added condition on adaptive nurbs

Former-commit-id: b294daeb03793e4ca35df24184f26d6d433c65c6
Former-commit-id: 45846d2ffaff469dd5db891407b0b2db40ea3e1b
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox