help, system: Stop using submenu.sorted_items

- This fixes a regression in showing menu items on the help:index page.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>

plinth/modules/help/views.py

@@ -16,7 +16,7 @@ from django.urls import reverse
 from django.utils.translation import get_language_from_request
 from django.utils.translation import gettext as _
 
-from plinth import __version__, cfg
+from plinth import __version__, cfg, menu
 from plinth.modules.upgrades import views as upgrades_views
 
 from . import privileged
@@ -24,8 +24,11 @@ from . import privileged
 
 def index(request):
     """Serve the index page"""
-    return TemplateResponse(request, 'help_index.html',
-                            {'title': _('Documentation and FAQ')})
+    menu_items = menu.main_menu.active_item(request).sorted_items()
+    return TemplateResponse(request, 'help_index.html', {
+        'title': _('Documentation and FAQ'),
+        'menu_items': menu_items
+    })
 
 
 def contribute(request):

plinth/templates/system.html

@@ -1,4 +1,4 @@
-{% extends 'cards.html' %}
+{% extends 'base.html' %}
 {% comment %}
 # SPDX-License-Identifier: AGPL-3.0-or-later
 {% endcomment %}
@@ -18,7 +18,7 @@
   </div>
 
   <div class="container card-container">
-    {% for section_item in submenu.sorted_items %}
+    {% for section_item in menu_items %}
       <div class="system-section-title">{{ section_item.name }}</div>
       <div class="row">
         <div class="card-list card-list-primary">

plinth/views.py

@@ -181,8 +181,11 @@ class AppsIndexView(TemplateView):
 
 def system_index(request):
     """Serve the system index page."""
-    return TemplateResponse(request, 'system.html',
-                            {'advanced_mode': get_advanced_mode()})
+    menu_items = menu.main_menu.active_item(request).sorted_items()
+    return TemplateResponse(request, 'system.html', {
+        'advanced_mode': get_advanced_mode(),
+        'menu_items': menu_items
+    })
 
 
 class LanguageSelectionView(FormView):