fix: add is defined check

templates/default/sidebar.html.twig

@@ -29,7 +29,7 @@
                 <li><a href='#' onclick='openNote()'>Open Note</a></li>
                 <li><a href="#" onclick="saveNote()">Save Note</a></li>
                 <li><a href='#' onclick='discardNote()'>Delete Note</a></li>
-                {% if isAdmin %}
+                {% if isAdmin is defined and isAdmin %}
                 <li><a href='/index.php/reference-editor'>Reference Editor</a></li>
                 {% endif %}
                 <li><a href='#' onclick="openRef()">Open Reference</a></li>
@@ -51,7 +51,7 @@
             <div class="mini-posts">
                 {% for n in app.user.notes %}
                 <article>
-                    <a href="#">{{ n.title }}</a>
+                    <a href="#" onclick="retrieveNote('{{ n.id }}');openNote();">{{ n.title }}</a>
                     <p>{{ n.passage }}</p>
                 </article>
                 {% endfor %}