Rename resource content to contents so that it matches the name of the controller ContentsController. This makes the is_active logic work on the configuration menu

See the menu is_active code here: f55722b38d/backend/app/helpers/spree/admin/navigation_helper.rb (L145)

app/controllers/admin/contents_controller.rb

@@ -18,7 +18,7 @@ module Admin
 
       flash[:success] = t(:successfully_updated, :resource => I18n.t('admin.contents.edit.your_content'))
 
-      redirect_to main_app.edit_admin_content_path
+      redirect_to main_app.edit_admin_contents_path
     end
 
     private

app/views/admin/contents/edit.html.haml

@@ -3,7 +3,7 @@
 - content_for :page_title do
   = t('.title')
 
-= form_tag main_app.admin_content_path, method: :put, multipart: true do
+= form_tag main_app.admin_contents_path, method: :put, multipart: true do
   #preferences
     - @preference_sections.each do |preference_section|
       = render 'fieldset', name: preference_section[:name], preferences: preference_section[:preferences]
@@ -11,4 +11,4 @@
     .form-buttons.filter-actions.actions{"data-hook" => "buttons"}
       = button t(:update), 'icon-refresh'
       %span.or= t(:or)
-      = link_to_with_icon 'icon-remove', t(:cancel), main_app.edit_admin_content_path, class: 'button'
+      = link_to_with_icon 'icon-remove', t(:cancel), main_app.edit_admin_contents_path, class: 'button'

app/views/spree/admin/shared/_configuration_menu.html.haml

@@ -22,7 +22,7 @@
       = configurations_sidebar_menu_item t(:enterprise_fees), main_app.admin_enterprise_fees_path
       = configurations_sidebar_menu_item Spree.t(:analytics_trackers), admin_trackers_path
       = configurations_sidebar_menu_item t('admin.cache_settings.edit.title'), main_app.edit_admin_cache_settings_path
-      = configurations_sidebar_menu_item t('admin.contents.edit.title'), main_app.edit_admin_content_path
+      = configurations_sidebar_menu_item t('admin.contents.edit.title'), main_app.edit_admin_contents_path
       = configurations_sidebar_menu_item t('admin.invoice_settings.edit.title'), main_app.edit_admin_invoice_settings_path
       = configurations_sidebar_menu_item t('admin.matomo_settings.edit.title'), main_app.edit_admin_matomo_settings_path
       = configurations_sidebar_menu_item t('admin.stripe_connect_settings.edit.title'), main_app.edit_admin_stripe_connect_settings_path

config/routes/admin.rb

@@ -68,7 +68,7 @@ Openfoodnetwork::Application.routes.draw do
       get :map_by_tag, on: :collection
     end
 
-    resource :content
+    resource :contents
 
     resource :cache_settings