mod_pubsub_serverinfo: Fix check for local domain The module was checking whether a host exists, but this may be misleading if our host is loaded before the host that is being checked. This change makes it check the config. This will provide a false positive in the rare case that the host is defined but not activated/enabled. But we don't have an API currently for "is this host configured and enabled?"

---
summary: OIDC group membership in UserInfo
labels:
- Stage-Alpha
rockspec:
  dependencies:
  - mod_http_oauth2 >= 200
  - mod_groups_internal
---

This module exposes [mod_groups_internal] groups to
[OAuth 2.0][mod_http_oauth2] clients via a `groups` scope/claim.