MT#5879 Fix broken billing_profile variable scope.

And add bp as documented var. Should be changed to lorem based later.

lib/NGCP/Panel/Controller/Invoice.pm

@@ -403,8 +403,8 @@ sub generate_invoice :Private{
     my $provider_contact = $backend->getContactInfo('contact_id' => $provider_contract->get_column('id'));
     my $contract_balance = $backend->getContractBalance($in);
     #$c->log->debug("customer->id="..";");
+    my $billing_profile = $backend->getBillingProfile($in);
     if(!$contract_balance){
-        my $billing_profile = $backend->getBillingProfile($in);
         NGCP::Panel::Utils::Contract::create_contract_balance(
             c => $c,
             profile  => $billing_profile,

share/templates/invoice/template_editor_form_alt.tt

@@ -92,7 +92,7 @@ zonesdata = invoice_details_zones.0.1;
 %]
 <div style="overflow:auto;height:85%;">
 [%
-FOREACH varname IN ['client','provider','invoice','callsdata','zonesdata'];
+FOREACH varname IN ['client','provider','invoice','bp','callsdata','zonesdata'];
     tooltipvarindex = varname _ '_self';
 %]