add ordering to ensure it always gets the first record

Author: loiswells97

app/controllers/api/lessons_controller.rb

@@ -12,7 +12,11 @@ def index
       ordered_scope = scope.order(created_at: :asc)
       lessons_with_users = ordered_scope.accessible_by(current_ability).with_users
       remixes = ordered_scope.map do |lesson|
-        lesson.project.remixes.where(user_id: current_user.id).accessible_by(current_ability).first
+        lesson.project.remixes
+          .where(user_id: current_user.id)
+          .accessible_by(current_ability)
+          .order(created_at: :asc)
+          .first
       end
       @lessons_with_users_and_remixes = lessons_with_users.zip(remixes)
       render :index, formats: [:json], status: :ok