OPT: change the warping fields order
OPT: change the warping fields order

Former-commit-id: 7234a6bd8537dd5420824999d050b1f880a5f50d
Former-commit-id: 76444bf8de663e8e37b022759107eea12b4604c9
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox