fix: use conditionals for infoboxes (new beaker feature)

templates/results.html

@@ -62,6 +62,7 @@
                 </nav>
             </main>
             <aside class="infobox-sidebar">
+            {{if exists infoboxes}}
               {{for info in infoboxes}}
                  <section class="infobox">
                      <div class="infobox-header">
@@ -81,6 +82,7 @@
                      </div>
                  </section>
                  {{endfor}}
+               {{endif}}
             </aside>
         </div>
     </body>