Cannot add Window ISO source

[David Hedlund]

This issue is a complement to https://bugs.launchpad.net/ubuntu/+source/usb-creator/+bug/2038684 since it was not possible to complement it with ubuntu bug.

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: usb-creator-gtk 0.3.16
ProcVersionSignature: Ubuntu 6.2.0-33.33-generic 6.2.16
Uname: Linux 6.2.0-33-generic x86_64
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 21 21:03:35 2023
InstallationDate: Installed on 2023-07-23 (90 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
SourcePackage: usb-creator
UpgradeStatus: No upgrade log present (probably fresh install)