Streamline full page sidebar with blog post sidebar

Add the table of content in same way with proper linking to sections
(content elements) and summary feature.

Resources/Private/Templates/Page/Full.html

@@ -40,16 +40,20 @@
 
     <f:section name="TableOfContent">
         <nav>
-            <h1>Table of Content</h1>
+            <details open>
+                <summary>
+                    <h2>Table of Content</h2>
+                </summary>
                 <ol>
                     <f:for each="{pageContent}" as="contentEntry">
                         <f:if condition="{contentEntry.data.header}">
                             <li>
-                            <a href="#c{contentEntry.data.uid}">{contentEntry.data.header}</a>
+                                <a href="#{contentEntry.data.header -> f:format.id()}">{contentEntry.data.header}</a>
                             </li>
                         </f:if>
                     </f:for>
                 </ol>
+            </details>
         </nav>
     </f:section>
 </html>