File picker causes xdg-desktop-portal-gtk to segfault

Hello, I chose Gnome Boxes as my GUI to libvirtd. However, when I try to select an ISO file to create a machine, the file picker does not show and the xdg-desktop-portal-gtk ends with segmentation fault.

## Logs
### flatpak run org.gnome.Boxes
```
libEGL warning: wayland-egl: could not open /dev/dri/renderD128 (No such file or directory)
libEGL warning: failed to get driver name for fd 0

libEGL warning: MESA-LOADER: failed to retrieve device information

libEGL warning: failed to get driver name for fd 0

(gnome-boxes:2): Gdk-WARNING **: 13:27:32.460: Server is missing xdg_foreign support

(gnome-boxes:2): Gtk-WARNING **: 13:27:32.460: Failed to export handle, could not set transient for

(gnome-boxes:2): GLib-CRITICAL **: 13:27:32.460: g_variant_new_string: assertion 'string != NULL' failed
Ignoring /app/share/osinfo/.ref with missing '.xml' extension
Ignoring /app/share/osinfo/manifest.json with missing '.xml' extension
```
### /usr/lib/xdg-desktop-portal-gtk
```
** (xdg-desktop-portal-gtk:6736): WARNING **: 13:27:32.462: Unhandled parent window type

** (xdg-desktop-portal-gtk:6736): WARNING **: 13:27:32.462: Failed to associate portal window with parent window
```

## Setup
- Artix Linux (OpenRC 0.48-1)
- wayland 1.22.0-1
- [dwl](https://github.com/djpohly/dwl/) on wlroots (0.16.2-1)
- xdg-desktop-portal 1.16.0-3
- xdg-desktop-portal-gtk 1.14.1-1
- xdg-desktop-portal-wlr 0.7.0-1
- flatpak 1:1.15.4-1

EDIT: Librewolf (flatpak) can open and use the gtk file picker normally, so that is why I decided to post the issue here