BUG: msct_pca: reshape projected array
BUG: msct_pca: reshape projected array

Former-commit-id: f78efe139eaf5fd7c1bcc130bc6b58b4ae918e8f [formerly e4f7fa073363c0903147424313ea72dcdd3574cd]
Former-commit-id: 1d7d2865b72d2d1a80f87cdf93496b3b4c4d24bc
Former-commit-id: 15fb2cfa2682dfcf5465fddd943dccbce72afd92
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox