fixed a bug in a data migration, requring auth.User to be present
fixed a bug in a data migration, requring auth.User to be present

hasadna/OpenCommunity,hasadna/OpenCommunity,hasadna/OpenCommunity,yaniv14/OpenCommunity,nonZero/OpenCommunity,yaniv14/OpenCommunity,yaniv14/OpenCommunity,nonZero/OpenCommunity,yaniv14/OpenCommunity,nonZero/OpenCommunity,nonZero/OpenCommunity,hasadna/OpenCommunity