Return project status and unread feedback count

Author: jamiebenstead

app/views/api/lessons/student_index.json.jbuilder

@@ -3,5 +3,7 @@
 json.array!(@lessons_with_users_and_remixes) do |lesson_with_user, remix|
   lesson, user = lesson_with_user
   json.partial! 'lesson', lesson: lesson, user: user
+  json.status(lesson.project&.school_project&.status)
+  json.unread_feedback_count(remix&.school_project&.feedback&.where(read_at: nil)&.count || 0)
   json.remix_identifier(remix.identifier) if remix.present?
 end