Update total_spend to dollar_value so that it doesn't break existing functionality in request-queue

templates/requests/screen-1.html.to

@@ -36,7 +36,7 @@
 <h2>Financial Usage</h2>
 {% module TextInput(f.estimated_monthly_spend) %}
 <p>So this means you are spending approximately <b>$X</b> annually</p>
-{% module TextInput(f.total_spend) %}
+{% module TextInput(f.dollar_value) %}
 {% module TextInput(f.number_user_sessions) %}
 {% module TextInput(f.average_daily_traffic) %}
 {% module TextInput(f.start_date) %}

templates/requests/screen-4.html.to

@@ -87,7 +87,7 @@
 
     <div>
       <dt>Total Spend</dt>
-      <dd>{{data['details_of_use']['total_spend']}}</dd>
+      <dd>${{data['details_of_use']['dollar_value']}}</dd>
     </div>
 
     <div>