regression: filter instance activity by instance
regression: filter instance activity by instance

regression from 6693c29

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