offer login popup from oauth dialog, correct base uri
offer login popup from oauth dialog, correct base uri

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