Classic confinement request for gnome-software

[niemeyer]

Let’s please also make sure to keep this up to date:

Snaps officially supported by Canonical

The following is a (non-exhaustive) list of snaps published from the “Canonical” account on the Snap store, with links to their respective maintainer(s), code repositories, and bug trackers: snap maintained by info charmcraft @facundobatista code, bugs chromium @oSoMoN code, bugs chromium-ffmpeg @oSoMoN code, bugs eog @kenvandine code, bugs evince @kenvandine code, bugs gedit @kenvandine code, bugs gnome-3-26-1604 @kenvandine code, bugs gnome-3-28-1804 @kenva…