OPT: register_to_template: changed default params
OPT: register_to_template: changed default params

Former-commit-id: d370247d85fdf6e84d2d5440fbf3391cc65674c8
Former-commit-id: 89443e76fffeded1289e520f7aed9f8a415ef81e
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox