summary- > I am getting records from subscription table where date is in between, then from the obtained data , i am taking a look up in particiapant table to get participant related data.
problem-> I am getting all field as null except _id in particpantDto that too the _id is some random id.
I am printing subs data , sunbscriptions is getting proper data.but when passing tow stages in aggreation then the problem is occuring.
note-> all the fields name are correct. Ignore the red lines in code.
