- Remove most use of deprecated stock icons. Without it the UI will
be a lot more ugly in Fedora 36
- Remove deprecated ImageMenuItem usage, convert to regular MenuItem
- Remove most embedded button images
Signed-off-by: Cole Robinson <crobinso@redhat.com>
It creates a lot of churn.
Adjust phantom grid rows + columns while we are at it, not sure why
those counts are suddenly wrong
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Given that we bumped deps to fairly modern distros with the
python3 change, I think this is safe. gtk 3.22 is from sep 2016, it's
in debian9 and fedora 25+, which seems fine for our needs.