fix conv_sub_1d bug introduced by 8463d7f00: recentering doesn't work since upsampling by zero-padding is only one sided; if this is done, recentering needs to be done after upsampling, not before
fix conv_sub_1d bug introduced by 8463d7f00: recentering doesn't work since upsampling by zero-padding is only one sided; if this is done, recentering needs to be done after upsampling, not before

scatnet/scatnet