[bug#57809] [PATCH] gnome-boxes: Add 'qemu' as propagated-input

[Jacob Hrbek]

Fixes:

(gnome-boxes:9304): Boxes-WARNING **: 19:54:29.345: review-page.vala:32: Box 
setup failed: Failed to create volume: internal error: creation of non-raw file 
images is not supported without qemu-img.

(gnome-boxes:9304): Boxes-CRITICAL **: 19:54:29.345: 
boxes_assistant_review_page_populate: assertion 'machine != NULL' failed

Steps to reproduce:
1. Open gnome-boxes on GNU Guix
2. Try to create a box with GNU Guix ISO and expect failure above

publickey - kreyren@rixotstudio.cz - 1677db82.asc
Description: application/pgp-keys

signature.asc
Description: OpenPGP digital signature