REF: do not change destination into RPI for register_multimodal
REF: do not change destination into RPI for register_multimodal

Former-commit-id: 4ff2baefff018c98f8c4a9bbf8f18fa7e6d9c0c0
Former-commit-id: 9cb272fd3b3d8fb118d0b48bbd98103dea538e4b
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox