maintainer-feedback requested: [Bug 245545] graphics/evince: Missing print dialogs in 3.28.5_13

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Bug 245545: graphics/evince: Missing print dialogs in 3.28.5_13
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=245545



--- Description ---
The evince print dialogue no longer works in 3.28.5_13.  Previously I had
3.28.5_8, but I cannot explain why the former worked and the latter does not. 
I updated the rest of ports at the same time, so it is possibly some other
dependency that is the root cause (gtk3 seems most likely).

Regardless, attempting to print a PDF produces no user visible response.  On a
console, the following message is printed:

  (evince:90654): Gtk-WARNING **: 15:01:28.786:
GtkPrintOperation::create-custom-widget not supported with portal

It seems that GTK has invented some sandboxing mechanism called "portals," and
evince now runs in this mode (or something like that).	The mechanism is
supposed to have a print service listening on DBUS, provided by the
xdg-desktop-portal-gtk software.  Unfortunately, we do not seem to have
xdg-desktop-portal-gtk in FreeBSD ports at this time, and evince (gtk?) is
missing a dependency on that service.