Fix issue when refreshed values contains a null key
Fix issue when refreshed values contains a null key

https://bugzilla.redhat.com/show_bug.cgi?id=1240309

durandom/manageiq,jrafanie/manageiq,ilackarms/manageiq,djberg96/manageiq,branic/manageiq,maas-ufcg/manageiq,pkomanek/manageiq,KevinLoiseau/manageiq,syncrou/manageiq,d-m-u/manageiq,ManageIQ/manageiq,skateman/manageiq,jameswnl/manageiq,jrafanie/manageiq,fbladilo/manageiq,jntullo/manageiq,gerikis/manageiq,chessbyte/manageiq,syncrou/manageiq,romanblanco/manageiq,NaNi-Z/manageiq,hstastna/manageiq,KevinLoiseau/manageiq,lpichler/manageiq,yaacov/manageiq,jvlcek/manageiq,mresti/manageiq,d-m-u/manageiq,pkomanek/manageiq,romaintb/manageiq,ManageIQ/manageiq,KevinLoiseau/manageiq,durandom/manageiq,pkomanek/manageiq,fbladilo/manageiq,mresti/manageiq,maas-ufcg/manageiq,ilackarms/manageiq,agrare/manageiq,skateman/manageiq,kbrock/manageiq,NickLaMuro/manageiq,juliancheal/manageiq,juliancheal/manageiq,mfeifer/manageiq,josejulio/manageiq,ailisp/manageiq,israel-hdez/manageiq,chessbyte/manageiq,jntullo/manageiq,lpichler/manageiq,KevinLoiseau/manageiq,yaacov/manageiq,jrafanie/manageiq,borod108/manageiq,mfeifer/manageiq,andyvesel/manageiq,mkanoor/manageiq,kbrock/manageiq,josejulio/manageiq,borod108/manageiq,mzazrivec/manageiq,pkomanek/manageiq,ManageIQ/manageiq,juliancheal/manageiq,fbladilo/manageiq,romaintb/manageiq,juliancheal/manageiq,matobet/manageiq,djberg96/manageiq,mresti/manageiq,syncrou/manageiq,chessbyte/manageiq,kbrock/manageiq,jameswnl/manageiq,agrare/manageiq,josejulio/manageiq,gerikis/manageiq,mzazrivec/manageiq,romanblanco/manageiq,agrare/manageiq,branic/manageiq,durandom/manageiq,skateman/manageiq,aufi/manageiq,chessbyte/manageiq,ilackarms/manageiq,israel-hdez/manageiq,maas-ufcg/manageiq,KevinLoiseau/manageiq,romanblanco/manageiq,mzazrivec/manageiq,syncrou/manageiq,ailisp/manageiq,agrare/manageiq,andyvesel/manageiq,billfitzgerald0120/manageiq,mkanoor/manageiq,NickLaMuro/manageiq,tzumainn/manageiq,jntullo/manageiq,mzazrivec/manageiq,maas-ufcg/manageiq,djberg96/manageiq,aufi/manageiq,tzumainn/manageiq,matobet/manageiq,romaintb/manageiq,djberg96/manageiq,gmcculloug/manageiq,tinaafitz/manageiq,kbrock/manageiq,branic/manageiq,romanblanco/manageiq,mkanoor/manageiq,jvlcek/manageiq,lpichler/manageiq,NaNi-Z/manageiq,romaintb/manageiq,fbladilo/manageiq,hstastna/manageiq,gmcculloug/manageiq,tzumainn/manageiq,matobet/manageiq,billfitzgerald0120/manageiq,andyvesel/manageiq,mresti/manageiq,NickLaMuro/manageiq,jntullo/manageiq,branic/manageiq,ManageIQ/manageiq,romaintb/manageiq,israel-hdez/manageiq,yaacov/manageiq,hstastna/manageiq,yaacov/manageiq,gerikis/manageiq,billfitzgerald0120/manageiq,matobet/manageiq,mfeifer/manageiq,jvlcek/manageiq,ailisp/manageiq,d-m-u/manageiq,gmcculloug/manageiq,gmcculloug/manageiq,josejulio/manageiq,maas-ufcg/manageiq,lpichler/manageiq,andyvesel/manageiq,maas-ufcg/manageiq,tzumainn/manageiq,jameswnl/manageiq,skateman/manageiq,gerikis/manageiq,tinaafitz/manageiq,romaintb/manageiq,ilackarms/manageiq,borod108/manageiq,tinaafitz/manageiq,jvlcek/manageiq,aufi/manageiq,israel-hdez/manageiq,hstastna/manageiq,durandom/manageiq,NaNi-Z/manageiq,d-m-u/manageiq,NaNi-Z/manageiq,KevinLoiseau/manageiq,jrafanie/manageiq,tinaafitz/manageiq,aufi/manageiq,NickLaMuro/manageiq,mfeifer/manageiq,mkanoor/manageiq,borod108/manageiq,jameswnl/manageiq,ailisp/manageiq,billfitzgerald0120/manageiq