use consistent argument names

lib/IdPAccountManager/SAMLMetadata.pm

@@ -207,9 +207,7 @@ sub parse {
         }
 
         ## Filter entities based  on type
-        next
-          if (defined $args{filter_entity_type}
-            && ($args{filter_entity_type} ne $data->{type}));
+        next if $args{entity_type} && $args{entity_type} ne $data->{type};
 
         ## Merge domains in a single string
         my $domains = join(',', @{ $data->{domain} })