MT#7309 API fix updating autoattendants

correct validation on empty array (allowed)
set uuid field

lib/NGCP/Panel/Form/Subscriber/AutoAttendantAPI.pm

@@ -11,7 +11,6 @@ sub build_form_element_class {return [qw(form-horizontal)]}
 has_field 'slots' => (
     type => 'Repeatable',
     label => 'IVR Slots',
-    required => 1,
 );
 
 has_field 'slots.slot' => (

lib/NGCP/Panel/Role/API/AutoAttendants.pm

@@ -110,11 +110,12 @@ sub update_item {
             $aa_rs->create({
                 destination => $self->get_sip_uri($aa->{destination}, $domain),
                 choice => $aa->{slot},
+                uuid => $prov_subs->uuid,
             });
         }
     } catch($e) {
-        $c->log->error("failed to update speeddials: $e");
-        $self->error($c, HTTP_INTERNAL_SERVER_ERROR, "Failed to update speeddials.");
+        $c->log->error("failed to update autoattendants: $e");
+        $self->error($c, HTTP_INTERNAL_SERVER_ERROR, "Failed to update autoattendants.");
         return;
     };