o/snapstate, o/devicestate: update hooks to let devicestate own what results in a seed-refresh#17006

sergiocazzolato merged 2 commits into

canonical:mastercanonical/snapd:masterfrom

andrewphelpsj:seed-refresh-devicestate-ownershipandrewphelpsj/snapd:seed-refresh-devicestate-ownershipCopy head branch name to clipboard