[snap] crash on Configure

[fthx]

version:
wxmaxima 23.08.0-0 548 latest/stable peterpall -
on Ubuntu 23.10 dev, GNOME Shell 45

When I click on Edit/Configure menu item, wxMaxima crashes always:

(wxmaxima:46048): Gtk-WARNING **: 14:31:09.186: Error loading theme icon 'document-print' for stock: Icon 'document-print' not present in theme Adwaita

(wxmaxima:46048): Gtk-WARNING **: 14:31:09.186: Error loading theme icon 'image-missing' for stock: Failed to load /org/gtk/libgtk/icons/48x48/status/image-missing.png: Unrecognized image file format
**
Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /org/gtk/libgtk/icons/16x16/status/image-missing.png: Unrecognized image file format (gdk-pixbuf-error-quark, 3)
Bail out! Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /org/gtk/libgtk/icons/16x16/status/image-missing.png: Unrecognized image file format (gdk-pixbuf-error-quark, 3)
Abandon (core dumped)