[sift] clip ROI when it falls partially outside the source raster
[sift] clip ROI when it falls partially outside the source raster

dyoussef/s2p,jmichel-otb/s2p,MISS3D/s2p,dyoussef/s2p,carlodef/s2p,mnhrdt/s2p,dyoussef/s2p,MISS3D/s2p,MISS3D/s2p,carlodef/s2p,mnhrdt/s2p,MISS3D/s2p,jmichel-otb/s2p,jmichel-otb/s2p,jmichel-otb/s2p,dyoussef/s2p