TYPE Genetic variant does not change on generic during data overlay upload

The TYPE of data overlay does not change from GENETIC VARIANT to GENERIC during upload.
see movie: ownCloud/Disease maps/Minerva docs/test-issues/14.0/issue906.
https://owncloud.lcsb.uni.lu/f/10750842

GENETIC VARIANT: PRKN_variants_example.txt

GENERIC: generic_basic_header.txt