Crash opening Import, Open, Save, Save as dialogs
After update to Inkscape 1.1, Import feature is not working anymore (File | Import ...). It crashes Inkscape. This feature was working fine in Inkscape 1.0.
#### Summary:
Inkscape crashes after selecting Import from File menu.
#### Steps to reproduce:
- open Inkscape
- hit File menu
- hit Import command
#### What happened?
- Inkscape crashed
```
~$ inkscape
Gtk-Message: 09:39:52.457: Failed to load module "canberra-gtk-module"
Gtk-Message: 09:39:52.459: Failed to load module "canberra-gtk-module"
Canvas::on_idle: clean region is empty!
(org.inkscape.Inkscape:36037): GLib-GIO-WARNING **: 09:40:01.712: Error creating IO channel for /proc/self/mountinfo: Permission denied (g-file-error-quark, 2)
(org.inkscape.Inkscape:36037): GLib-GIO-ERROR **: 09:40:01.764: No GSettings schemas are installed on the system
Trace/breakpoint trap (core dumped)
```
#### What should have happened?
Inkscape should have opened Import dialog.
Sample attachments:
Video: [inkscape_1.1.import.crashes](/uploads/3b04762923bf5ef081733910581765a9/inkscape_1.1.import.crashes.mp4)
#### Version Info:
Inkscape 1.1 (c4e8f9ed74, 2021-05-24)
GLib version: 2.64.6
GTK version: 3.24.20
glibmm version: 2.64.2
gtkmm version: 3.24.2
libxml2 version: 2.9.10
libxslt version: 1.1.34
Cairo version: 1.16.0
Pango version: 1.44.7
HarfBuzz version: 2.6.4
Poppler version: 0.86.1
OS version: Ubuntu Core 20
```
petr@zbox-nano:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.2 LTS
Release: 20.04
Codename: focal
petr@zbox-nano:~$
```
issue