Fix validation of allowed personal backend
Fix validation of allowed personal backend

lrytz/core,pixelipo/server,bluelml/core,pollopolea/core,lrytz/core,phil-davis/core,andreas-p/nextcloud-server,owncloud/core,whitekiba/server,michaelletzgus/nextcloud-server,whitekiba/server,xx621998xx/server,xx621998xx/server,IljaN/core,bluelml/core,lrytz/core,IljaN/core,whitekiba/server,cernbox/core,nextcloud/server,sharidas/core,jbicha/server,endsguy/server,pollopolea/core,pixelipo/server,IljaN/core,IljaN/core,Ardinis/server,pollopolea/core,cernbox/core,michaelletzgus/nextcloud-server,xx621998xx/server,Ardinis/server,bluelml/core,IljaN/core,Ardinis/server,sharidas/core,jbicha/server,nextcloud/server,michaelletzgus/nextcloud-server,endsguy/server,michaelletzgus/nextcloud-server,bluelml/core,bluelml/core,xx621998xx/server,pmattern/server,pmattern/server,andreas-p/nextcloud-server,pmattern/server,owncloud/core,sharidas/core,owncloud/core,Ardinis/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,pixelipo/server,pollopolea/core,jbicha/server,pixelipo/server,cernbox/core,xx621998xx/server,lrytz/core,pollopolea/core,cernbox/core,pmattern/server,cernbox/core,Ardinis/server,owncloud/core,endsguy/server,endsguy/server,sharidas/core,whitekiba/server,lrytz/core,jbicha/server,pixelipo/server,owncloud/core,endsguy/server,andreas-p/nextcloud-server,jbicha/server,whitekiba/server,pmattern/server,nextcloud/server,sharidas/core,nextcloud/server