Use correct error message according to allowed login type
Use correct error message according to allowed login type

Addendum to 1ffddb62eb096b41a9d12bf7a5fc86cc1f70cf11 (email login).

alkadis/vcv,DanielNeugebauer/adhocracy,SysTheron/adhocracy,alkadis/vcv,phihag/adhocracy,phihag/adhocracy,alkadis/vcv,liqd/adhocracy,DanielNeugebauer/adhocracy,DanielNeugebauer/adhocracy,liqd/adhocracy,alkadis/vcv,SysTheron/adhocracy,DanielNeugebauer/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy,phihag/adhocracy,phihag/adhocracy,liqd/adhocracy,liqd/adhocracy,phihag/adhocracy,SysTheron/adhocracy