static/js/helpers: fix hideable columns
When there are multiple hideable-columns tables only one works properly, because context of function responsible for managing visibility state would be overided by last initialized table.
Fixes: 1d9dc0f9
When there are multiple hideable-columns tables only one works properly, because context of function responsible for managing visibility state would be overided by last initialized table.
Fixes: 1d9dc0f9