Reverted change in mail aliasdomain (makes aliasdomains non-functional)

install/tpl/mysql-virtual_forwardings.cf.master

@@ -4,6 +4,6 @@ dbname = {mysql_server_database}
 table = mail_forwarding
 select_field = destination
 where_field = source
-additional_conditions = and type != 'aliasdomain' and active = 'y' and server_id = {server_id}
-# additional_conditions = and active = 'y' and server_id = {server_id}
+# additional_conditions = and type != 'aliasdomain' and active = 'y' and server_id = {server_id}
+additional_conditions = and active = 'y' and server_id = {server_id}
 hosts = {mysql_server_ip}
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