int? userId = 1;

​

// use single query to get everything and pass user value

var query = from supportTicket in _supportTicketSet

                select new

                {

                    Ticket = supportTicket,

                    CurrentUserHasReplied = userId != null && supportTicket.Editors.Any(editor=> editor.Id == userId)

                };

​

// how to handle now the embedded query (Ticket and CurrentUserHasReplied) to the projection?

var projections = query.ProjectoTo<SupportTicketProjection>(_mapper.Config, ????)

                    .ToListAsync(token).ConfigAwaitFalse();