fix handling of string slices

Signed-off-by: Dmitri Dolguikh <dmitri.external@netbird.io>

management/internals/network_map_db/pgsql/nameserver.go

@@ -34,7 +34,7 @@ func (pg *PgStore) GetNameServerGroups(ctx context.Context, accountId string) ([
 	for _, nsg := range nsgroups {
 		group := nmdata.NameServerGroup{}
 		err := networkmapdb.FromSqlTypesToSharedTypes(
-			reflect.ValueOf(&nsg).Elem(), reflect.ValueOf(&group).Elem())
+			reflect.ValueOf(&nsg), reflect.ValueOf(&group))
 		if err != nil {
 			return nil, err
 		}