Fixed #31865 -- Adjusted admin nav sidebar template to reduce debug logging.

Thanks to Mariusz Felisiak for review.

django/contrib/admin/templates/admin/nav_sidebar.html

@@ -1,5 +1,5 @@
 {% load i18n %}
 <button class="sticky toggle-nav-sidebar" id="toggle-nav-sidebar" aria-label="{% translate 'Toggle navigation' %}"></button>
 <nav class="sticky" id="nav-sidebar">
-  {% include 'admin/app_list.html' with app_list=available_apps %}
+  {% include 'admin/app_list.html' with app_list=available_apps show_changelinks=False %}
 </nav>

docs/releases/3.1.1.txt

@@ -17,3 +17,6 @@ Bugfixes
 
 * Fixed encoding session data while upgrading multiple instances of the same
   project to Django 3.1 (:ticket:`31864`).
+
+* Adjusted admin's navigation sidebar template to reduce debug logging when
+  rendering (:ticket:`31865`).

tests/admin_views/test_nav_sidebar.py

@@ -77,6 +77,14 @@ class AdminSidebarTests(TestCase):
         self.assertContains(response, '<a href="%s">Users</a>' % url)
         self.assertNotContains(response, 'aria-current')
 
+    @override_settings(DEBUG=True)
+    def test_included_app_list_template_context_fully_set(self):
+        # All context variables should be set when rendering the sidebar.
+        url = reverse('test_with_sidebar:auth_user_changelist')
+        with self.assertRaisesMessage(AssertionError, 'no logs'):
+            with self.assertLogs('django.template', 'DEBUG'):
+                self.client.get(url)
+
 
 @override_settings(ROOT_URLCONF='admin_views.test_nav_sidebar')
 class SeleniumTests(AdminSeleniumTestCase):