Check answers should be a single summary list (#100)

app/views/form/_check_answers_table.html.erb

@@ -1,4 +1,3 @@
-<dl class="govuk-summary-list govuk-!-margin-bottom-9">
 <div class="govuk-summary-list__row">
   <dt class="govuk-summary-list__key">
     <%= question_info["check_answer_label"].to_s.present? ?  question_info["check_answer_label"].to_s : question_info["header"].to_s%>
@@ -10,4 +9,3 @@
     <%= create_update_answer_link(question_title, question_info, @case_log, form) %>
   </dd>
 </div>
-</dl>

app/views/form/check_answers.html.erb

@@ -3,9 +3,11 @@
     <div class="govuk-grid-column-three-quarters-from-desktop">
       <h1 class="govuk-heading-l">Check the answers you gave for <%= subsection.humanize(capitalize: false) %></h1>
       <%= display_answered_questions_summary(subsection, @case_log, form) %>
+      <dl class="govuk-summary-list govuk-!-margin-bottom-9">
         <% total_questions(subsection, @case_log, form).each do |question_title, question_info| %>
           <%= render partial: 'form/check_answers_table', locals: { question_title: question_title, question_info: question_info, case_log: @case_log, form: form } %>
         <% end %>
+      </dl>
       <%= form_with model: @case_log, method: "get", builder: GOVUKDesignSystemFormBuilder::FormBuilder do |f| %>
         <%= f.govuk_submit "Save and continue"  %>
       <% end %>