File chooser from GTK3 fills the entire screen and can't be resized

Affected version

gtk3-3.24.37-1.fc38.x86_64

When using a GTK3 app, such as GNOME Boxes 44.1, the file chooser fills the entire screen and it can't be resized:

I'm using Wayland by the way.

Edited May 06, 2023 by Automeris naranja