find kubeadmin access-group

[moficodes]

find a access-group pre defined for use with kubeadmin
(needed fro user creation)

Option 1: We can do prefix like kubeadmin or some other string that we dont expect users to create a access group with
Option 2: Name it with some random uuid, but store the name in db
Option 3: Name it some kubeadmin prefix and uuid suffix. and store the name in db. Then during lookup we can find access group with our prefix. and if there is more than one we can look it up in db.