Import CAT12 folder: several .nii files found at top level (workshop WIRED2024)

Not sure if it will related to a recent bug with CAT12 and Windows, reported in here
Cat12 Error - CAT_3dVol2Surf

CAT12 versions without this bug are: r2550 > version >= r2560

Yes, we will have it solved by the end of the day (hopefully)