TT#71856 ama: use u2u header of corellated cdr

for ATTN_TRANSFER and ATTN_TRANSFER_NO_IVR scenarios

Change-Id: Ie5a6e85fa1954011149d529757ff9daacba1f3ed
(cherry picked from commit 991da885db)

lib/NGCP/BulkProcessor/Projects/Export/Ama/Ccs/CDR.pm

@@ -412,7 +412,7 @@ sub _export_cdrs_init_context {
                         and ($scenario->{ccs_subscriber}->{primary_alias} = NGCP::BulkProcessor::Dao::Trunk::provisioning::voip_dbaliases::findby_subscriberidisprimary($scenario->{ccs_subscriber}->{id},1)->[0])
                         and (not defined $primary_alias_pattern or $scenario->{ccs_subscriber}->{primary_alias}->{username} =~ $primary_alias_pattern)
                         ) {
-                        if (contains(get_u2u_header($context,$parent_cdrs->[1]),\@ivr_u2u_headers,1)) {
+                        if (contains(get_u2u_header($context,$parent_cdrs->[1]->{_correlated_cdrs}->[0]),\@ivr_u2u_headers,1)) {
                             $scenario->{code} = $ATTN_TRANSFER;
                         } else {
                             $scenario->{code} = $ATTN_TRANSFER_NO_IVR;