I can reproduce this only with snap / flatpak packages. The file chooser portal seems to error out if the file filter isn't set to a valid filter, which in this case happens because SVG files can be read but can't be written to
I can reproduce this only with snap / flatpak packages. The file chooser portal seems to error out if the file filter isn't set to a valid filter, which in this case happens because SVG files can be read but can't be written to