support action buttons #100
Description
Currently notifications from COSMIC don't show action buttons if there are any. This should show an action button:
$ gdbus call --session --dest org.freedesktop.Notifications --object-path /org/freedesktop/Notifications --method org.freedesktop.Notifications.Notify "test" 0 "" "Test" "Body text" "['toggle', 'Click Me']" "{}" 5000
This is what I'd expect it to show:
