The Flatpak is already packaged and works well. It just needs to be maintained from a person that joins the Inkscape community.
This would allow further improvements like Portal support and making the app official on Flathub.
Update: One might have been found!
Thankfully we don’t have to follow the dumb Android security model on desktops.
on Qubes we still have security through compartmentalization, yet all systems have root access (even passwordless sudo)