Update relationship helper for audits
Update relationship helper for audits

Object should show up as related to an audit if they have a snapshot
mapped to an audit.

selahssea/ggrc-core,plamut/ggrc-core,AleksNeStu/ggrc-core,VinnieJohns/ggrc-core,AleksNeStu/ggrc-core,selahssea/ggrc-core,selahssea/ggrc-core,plamut/ggrc-core,AleksNeStu/ggrc-core,VinnieJohns/ggrc-core,plamut/ggrc-core,VinnieJohns/ggrc-core,plamut/ggrc-core,AleksNeStu/ggrc-core,VinnieJohns/ggrc-core,selahssea/ggrc-core