Backport patch from upstream for python3-blivetgui to use symbolic
list-add and edit- icons that Adwaita dropped old ones.
Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <tvgamblin@gmail.com>
