Performance optimize abbreviation
Performance optimize abbreviation

Don't abbreviate the same nodes twice when we don't have to.

whowutwut/confluent,xcat2/confluent,whowutwut/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,whowutwut/confluent,xcat2/confluent,xcat2/confluent,whowutwut/confluent