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
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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