Add survey with target after_event

app/controllers/proposals_controller.rb

@@ -17,6 +17,7 @@ class ProposalsController < ApplicationController
   def show
     @event_schedule = @event.event_schedules.find_by(schedule_id: @program.selected_schedule_id)
     @speakers_ordered = @event.speakers_ordered
+    @surveys_after_event = @event.surveys.after_event.select(&:active?)
   end
 
   def new