When merging in a DB, don't add empty group if already in this DB
When merging in a DB, don't add empty group if already in this DB

Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe,Sp1l/pwsafe