Show addons on the details page
Don't show a spinner for addon install progress

Allan Day pointed out on IRC that having both "Installing", "Removing"
labels and the spinner is a bit too much.
Update theming for recent Adwaita changes

Stop using @list_box_bg named colour that Adwaita no longer exports, and
make sure to clear unwanted button animations for the featured tile.
Release version 3.13.3
trivial: Post release version bump
Do not add source screenshots from AppData files
Use the full application ID when deduplicating

We don't want to deduplicate 'org.gnome.Software' and 'org.gnome.Web' because
of the ID truncation in as_app_set_id()