Loupe's Open dialog defaults to Recent, not Pictures, so when
we're using Loupe we need to click into Pictures to find the
exported image.
Signed-off-by: Adam Williamson <awilliam@redhat.com>
Loupe has replaced EOG on F39 and Rawhide, and it can be found
with "image viewer", so let's just go with that. The rest of the
logic should be OK but we will likely need some new needles,
will do that next.
Signed-off-by: Adam Williamson <awilliam@redhat.com>