fix: more alignment with the old shell

Co-authored-by: Copilot <copilot@github.com>

lib/bds/desktop/shell_live/index.html.heex

@@ -120,6 +120,7 @@
           </div>
           <%= render_sidebar_filters(assigns) %>
           <%= render_sidebar_body(assigns) %>
+          <%= render_sidebar_load_more(assigns) %>
         </div>
       </div>
       <div class="resizable-panel-divider sidebar-divider" data-resize="sidebar" data-role="resize-handle"></div>