R1:984dff0ae335

Provide a more consistent, mostly relaxed severity for updating non-cluster repositories on cluster devices

Summary:
Fixes T10940. Two issues currently:

First, `PullLocal` deamon refuses to update non-cluster repositories on cluster devices. However, this is surprising/confusing/bad because as soon as you enroll a repository host in the cluster, most of the repositories on it stop working until you `clusterize` them. This is especially confusing because the documentation gives you a very nice, gradual…