CS 4.22.X IPv6 Assign an Account or DOMAIN as IPv4 - BYOIPv6 feature as part of the BYOIP

[tatay188]

The required feature described as a wish

As a User/Admin/Operator I would like to Assign IPv6 to a Specific Domain for the Public or Guest networks, This to be aligned with the BYOIP , We can now add multiple IPv6 to the public (#11527)