fix argument name

lib/IdPAccountManager/WebRequest.pm

@@ -256,7 +256,7 @@ sub req_select_sp {
     }
 
     $federation_metadata->parse(
-        filter_entity_id => $self->{in}->{sp_entityid}
+        entity_id => $self->{in}->{sp_entityid}
     );
 
     ## Create a serviceprovider object to store major parameters for this SP in DB