Don't add a duplicate candidate individual if one matches by user and IID
Don't add a duplicate candidate individual if one matches by user and IID

If an individual matches a persona being aggregated both by them both being
the user, and by IID match, don't list the individual as a candidate
individual twice (which would cause their personas to appear twice in the
final individual).

renatofilho/folks,renatofilho/folks2,GNOME/folks,renatofilho/folks2,GNOME/folks,renatofilho/folks,GNOME/folks,renatofilho/folks,renatofilho/folks2,pwithnall/folks,pwithnall/folks,renatofilho/folks2,pwithnall/folks,renatofilho/folks