fix: more alignment with the old shell

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

test/bds/desktop/shell_live_test.exs

@@ -228,6 +228,7 @@ defmodule BDS.Desktop.ShellLiveTest do
     assert html =~ ~s(class="sidebar-section-header")
     assert html =~ ~s(class="sidebar-actions")
     assert html =~ ~s(data-testid="sidebar-load-more")
+    assert html_position(html, ~s(data-testid="sidebar-load-more")) > html_position(html, ">Archived<")
     refute html =~ ~s(data-testid="sidebar-filter-tag")
     assert html =~ "Alpha Post"
     refute html =~ "Overflow Post"
@@ -398,6 +399,13 @@ defmodule BDS.Desktop.ShellLiveTest do
     assert count == length(entries)
   end
 
+  defp html_position(html, needle) do
+    case :binary.match(html, needle) do
+      {index, _length} -> index
+      :nomatch -> -1
+    end
+  end
+
   defp sidebar_post(project_id, slug, title, timestamp, tags, categories) do
     %{
       id: Ecto.UUID.generate(),