Fix bug in Performance#avoid_uniq_first_role_downgrade
Fix bug in Performance#avoid_uniq_first_role_downgrade

fbottin/mconf-web,becueb/MconfWeb,mconftec/mconf-web-uergs,m-narayan/agora-conf,fbottin/mconf-web,mconf-rnp/mconf-web,arrivu/web-conf,arrivu/web-conf,mconf-rnp/mconf-web,arrivu/web-conf,mconftec/mconf-web-ufpe,fbottin/mconf-web,mconftec/mconf-web-santacasa,m-narayan/agora-conf,mconftec/mconf-web-cedia,mconftec/mconf-web-uergs,amreis/mconf-web,amreis/mconf-web,ging/vcc,becueb/MconfWeb,mconf-ufrgs/mconf-web,mconf-ufrgs/mconf-web,mconf-rnp/mconf-web,mconftec/mconf-web-santacasa,becueb/MconfWeb,lfzawacki/mconf-web,ging/vcc,m-narayan/agora-conf,mconftec/mconf-web-mytruecloud,mconftec/mconf-web-uergs,ging/vcc,mconftec/mconf-web-santacasa,mconf/mconf-web,arrivu/web-conf,mconftec/mconf-web-uergs,arrivu/web-conf,ging/vcc,amreis/mconf-web,arrivu/web-conf,mconftec/mconf-web-mytruecloud,mconftec/mconf-web-ufpe,becueb/MconfWeb,m-narayan/agora-conf,akratech/Akraconference,lfzawacki/mconf-web,m-narayan/agora-conf,mconftec/mconf-web-cedia,ging/vcc,m-narayan/agora-conf,akratech/Akraconference,m-narayan/agora-conf,lfzawacki/mconf-web,mconftec/mconf-web-ufpe,mconf/mconf-web,mconftec/mconf-web-mytruecloud,mconf-ufrgs/mconf-web,mconftec/mconf-web-ufpe,mconf-ufrgs/mconf-web,arrivu/web-conf,mconftec/mconf-web-cedia,mconf/mconf-web,mconftec/mconf-web-santacasa,amreis/mconf-web,akratech/Akraconference,mconf-rnp/mconf-web,mconftec/mconf-web-mytruecloud,fbottin/mconf-web,akratech/Akraconference,ging/vcc,mconf/mconf-web,ging/vcc,lfzawacki/mconf-web