Move webchat to the top of the page

HMRC are experiencing high numbers of calls at the moment and we want to
make sure that people are using the webchat were possible, so move this
up to the top of the page so it becomes more visible.

app/views/content_items/contact.html.erb

@@ -16,6 +16,11 @@
   <div class="govuk-grid-column-two-thirds">
 
     <% body = capture do %>
+      <% if @content_item.show_webchat? %>
+        <h2 id="webchat-title">Webchat</h2>
+        <%= render 'shared/webchat' %>
+      <% end %>
+
       <% if @content_item.online_form_links.any? %>
         <h2 id="online-forms-title">Online</h2>
         <% @content_item.online_form_links.each do |link| %>
@@ -44,11 +49,6 @@
         <%= @content_item.email_body %>
       <% end %>
 
-      <% if @content_item.show_webchat? %>
-        <h2 id="webchat-title">Webchat</h2>
-        <%= render 'shared/webchat' %>
-      <% end %>
-
       <% if @content_item.phone.any? %>
         <h2 id="phone-title">Phone</h2>
         <% @content_item.phone.each do |phone_group| %>