Need to list items per-user

Without this important line, each user gets the same manifest. not helpful.

vendor/registrasion/registrasion/reporting/views.py

@@ -1020,6 +1020,7 @@ def manifest(request, form):
 
     output = []
     for user in users_by_name:
+        items = users[user]
         if hasattr(user, "checkin") and hasattr(user.checkin, "checkin_code"):
             code = user.checkin.checkin_code
         else: