https://github.com/thebitstick/nautilus-gnome-disks
fc84c48
Had time to work on this and now it is functioning.
Basically just lets you right-click on an .iso or .img to open GNOME Disks with it's "Restore to Disk Image" feature. Basically can act like dd/etcher.
And now THIS is on AUR
https://aur.archlinux.org/packages/nautilus-gnome-disks-git/