faq: Ensure consistent formatting for all

Faq articles should be viewed in the .thread-body div in the client portal
like they are in the staff portal.

include/client/faq.inc.php

@@ -14,9 +14,9 @@ $category=$faq->getCategory();
 </div>
 <div class="pull-right flush-right" style="padding-top:5px;padding-right:5px;"></div>
 <div class="clear"></div>
-<p>
+<div class="thread-body">
 <?php echo Format::safe_html($faq->getAnswerWithImages()); ?>
-</p>
+</div>
 <p>
 <?php
 if($faq->getNumAttachments()) { ?>