dns-forwarding: XML: Bugfix DNS domain forward configuration nodes
dns-forwarding: XML: Bugfix DNS domain forward configuration nodes

... tagNode and leafNode types not configured. Set to 'txt' for tagNode
and 'ipv4,ipv6' for leafNode

vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x