Hide subscription checkbox when updating comment.

template/app/view/comments/Form.js

@@ -40,9 +40,12 @@ Ext.define('Docs.view.comments.Form', {
                 '<img class="avatar" width="25" height="25"',
                     ' src="http://www.gravatar.com/avatar/{user.emailHash}?s=25&amp;r=PG&amp;d=http://www.sencha.com/img/avatar.png">',
                 '<div class="author">Logged in as {user.userName}</div>',
-                '<label class="subscribe">',
-                    'Email updates? <input type="checkbox" class="subscriptionCheckbox" <tpl if="userSubscribed">checked="checked"</tpl> /><span class="sep"> | </span>',
-                '</label>',
+                '<tpl if="!updateComment">',
+                    '<label class="subscribe">',
+                        'Email updates? <input type="checkbox" class="subscriptionCheckbox" <tpl if="userSubscribed">checked="checked"</tpl> />',
+                        '<span class="sep"> | </span>',
+                    '</label>',
+                '</tpl>',
                 '<a href="#" class="toggleCommentGuide">View help &#8595;</a>',
                 '<input type="submit" class="sub submitComment" value="{[values.updateComment ? "Update" : "Post"]} comment" />',
                 '<tpl if="updateComment">',