hotfix: fix register page not rendering for users with cannot_registe…

…r_for_competition_reasons? not empty

app/controllers/registrations_controller.rb

@@ -261,6 +261,9 @@ def do_add
 
   def register
     @competition = competition_from_params
+    if current_user
+      @registration = @competition.registrations.find_or_initialize_by(user_id: current_user.id, competition_id: @competition.id)
+    end
   end
 
   def payment_denomination