extract enabled_questions outside of the invalidated_page_questions loop (#635)

app/models/case_log.rb

@@ -448,9 +448,10 @@ private
   end
 
   def reset_not_routed_questions
+    enabled_questions = form.enabled_page_questions(self)
+    enabled_question_ids = enabled_questions.map(&:id)
+
     form.invalidated_page_questions(self).each do |question|
-      enabled_questions = form.enabled_page_questions(self)
-      enabled_question_ids = enabled_questions.map(&:id)
       if %w[radio checkbox].include?(question.type)
         enabled_answer_options = enabled_question_ids.include?(question.id) ? enabled_questions.find { |q| q.id == question.id }.answer_options : {}
         current_answer_option_valid = enabled_answer_options.present? ? enabled_answer_options.key?(public_send(question.id).to_s) : false