Restyle template statistics

This makes the template statistics section of the dashboard look less
like its own weird thing and more like:
- the templates page
- the upcoming changes to the styling of the received text messages
  banner on the dashboard

app/templates/components/table.html

@@ -188,11 +188,8 @@
 ) %}
   {% call field(align='right') %}
     <span {% if id %}id="{{ id }}"{% endif %} class="spark-bar">
-      <span style="width: {{ count / max_count * 100 }}%">
-        {{ big_number(
-          count,
-          smallest=True
-        ) }}
+      <span class="spark-bar-bar" style="width: {{ count / max_count * 100 }}%">
+        {{ '{:,.0f}'.format(count) }}
       </span>
     </span>
   {% endcall %}