[SD-542] Edit a Role now shows error message on attempt save a role with a duplicate name
[SD-542] Edit a Role now shows error message on attempt save a role with a duplicate name

mdhaman/superdesk,superdesk/superdesk-ntb,pavlovicnemanja92/superdesk,pavlovicnemanja/superdesk,gbbr/superdesk,thnkloud9/superdesk,marwoodandrew/superdesk,verifiedpixel/superdesk,liveblog/superdesk,fritzSF/superdesk,ioanpocol/superdesk-ntb,akintolga/superdesk-aap,petrjasek/superdesk,superdesk/superdesk-ntb,Aca-jov/superdesk,sjunaid/superdesk,petrjasek/superdesk-ntb,petrjasek/superdesk,vied12/superdesk,sivakuna-aap/superdesk,fritzSF/superdesk,petrjasek/superdesk-ntb,amagdas/superdesk,pavlovicnemanja92/superdesk,marwoodandrew/superdesk-aap,fritzSF/superdesk,thnkloud9/superdesk,mdhaman/superdesk-aap,superdesk/superdesk-ntb,marwoodandrew/superdesk,verifiedpixel/superdesk,superdesk/superdesk-aap,hlmnrmr/superdesk,hlmnrmr/superdesk,petrjasek/superdesk,ioanpocol/superdesk-ntb,darconny/superdesk,gbbr/superdesk,petrjasek/superdesk,sivakuna-aap/superdesk,gbbr/superdesk,liveblog/superdesk,ancafarcas/superdesk,plamut/superdesk,akintolga/superdesk,akintolga/superdesk-aap,akintolga/superdesk-aap,hlmnrmr/superdesk,darconny/superdesk,mdhaman/superdesk,mugurrus/superdesk,petrjasek/superdesk-ntb,amagdas/superdesk,mdhaman/superdesk-aap,amagdas/superdesk,ancafarcas/superdesk,marwoodandrew/superdesk-aap,akintolga/superdesk-aap,akintolga/superdesk,pavlovicnemanja/superdesk,plamut/superdesk,Aca-jov/superdesk,akintolga/superdesk,mdhaman/superdesk-aap,mugurrus/superdesk,marwoodandrew/superdesk,mdhaman/superdesk,fritzSF/superdesk,sivakuna-aap/superdesk,vied12/superdesk,superdesk/superdesk,marwoodandrew/superdesk-aap,mugurrus/superdesk,darconny/superdesk,liveblog/superdesk,sivakuna-aap/superdesk,amagdas/superdesk,pavlovicnemanja92/superdesk,akintolga/superdesk,verifiedpixel/superdesk,plamut/superdesk,superdesk/superdesk,vied12/superdesk,mdhaman/superdesk-aap,fritzSF/superdesk,marwoodandrew/superdesk,ioanpocol/superdesk-ntb,verifiedpixel/superdesk,pavlovicnemanja/superdesk,liveblog/superdesk,pavlovicnemanja92/superdesk,verifiedpixel/superdesk,Aca-jov/superdesk,petrjasek/superdesk-ntb,plamut/superdesk,sjunaid/superdesk,superdesk/superdesk-aap,marwoodandrew/superdesk-aap,liveblog/superdesk,akintolga/superdesk,superdesk/superdesk,ioanpocol/superdesk,ioanpocol/superdesk,superdesk/superdesk-aap,vied12/superdesk,sivakuna-aap/superdesk,marwoodandrew/superdesk,ancafarcas/superdesk,sjunaid/superdesk,pavlovicnemanja/superdesk,pavlovicnemanja92/superdesk,amagdas/superdesk,superdesk/superdesk-aap,superdesk/superdesk,vied12/superdesk,superdesk/superdesk-ntb,plamut/superdesk,ioanpocol/superdesk,thnkloud9/superdesk