daemon,many: switch to use client.ErrorKind and drop the local errorKind...
Merge pull request #9085 from pedronis/error-kinds-from-client
This introduces type client.ErrorKind to replace the currently used daemon.errorKind.
Some of client.ErrorKind* constants were renamed to match what was in daemon where the naming was more overall consistent with what is in the kind labels themselves.
cmd/snap: display the error in snap debug seeding if seeding is in error (#9091)
For this include a seed-error in the /v2/debug?aspect=seeding debug API as well.
* daemon: support seed-error in /v2/debug?aspect=seeding
* cmd/snap: print seed-error if there is one in snap debug seeding
* cmd/snap: adjust seed-error test to new -- placeholder