EPSG of 2d-bbox is 7415, but should be 28992

[hugoledoux]

although not sure the importer could deduct this... or we had the z-coords too?

[hugoledoux]

@GinaStavropoulou asked on SO:
https://gis.stackexchange.com/questions/458299/look-up-table-for-3d-to-2d-epsg-crs

but doing an API query for this seems... overkill, not?