Thank you for your bug report, the tab has been removed on purpose because it's not possible to change the default associations for directories now which didn't make sense, your request is sort of a corner case, to send to bugzilla.gnome.org
Thank you for your bug report, the tab has been removed on purpose because it's not possible to change the default associations for directories now which didn't make sense, your request is sort of a corner case, to send to bugzilla.gnome.org