PR: https://forum.opnsense.org/index.php?topic=5140.0

PR: https://forum.opnsense.org/index.php?topic=5099.0

This reverts commit 2fa53c9e.

This needs fixing in the kernel instead :)

* Allow CNAME overrides for unbound

We allow for CNAME to be used in the host override for unbound.
This closes #1614.

* Make sure the cname field is filled in on edit.

PR: https://forum.opnsense.org/index.php?topic=5120.0

gwlb, bug in return_gateway_groups_array() leading in always selecting the default gateway. check should have been, this interface is up or none are up.

See: https://github.com/pfsense/pfsense/commit/12df7edc

Looks like the reason for this file has gone.  We shall merge
the code into config.inc soon.

pconfig_to_address, don't save range when $endport is 0, closes https://github.com/opnsense/core/issues/1611

filter, alias, don't reload immediately after delete, closes https://github.com/opnsense/core/issues/1601