Method NumAttachedComponents

There isn't an easy way to determine if there are any components attached to a node. This method goes through the reflist of a node and backtracks up each ref (using IRefMakerToComponent) to determine if it is a component. There are cases though where a component can show up as two or more refs to a node, when it has a legitimate target ref and some other ref like a proxy object. To catch this c