Add controller concern to initialize Globalize fallbacks

Ensure to initialize all requests including this concern into all
application base controllers.

app/controllers/application_controller.rb

@@ -1,6 +1,7 @@
 require "application_responder"
 
 class ApplicationController < ActionController::Base
+  include GlobalizeFallbacks
   include HasFilters
   include HasOrders
   include AccessDeniedHandler
@@ -14,7 +15,6 @@ class ApplicationController < ActionController::Base
   before_action :track_email_campaign
   before_action :set_return_url
   before_action :set_current_user
-  before_action :set_fallbacks_to_all_available_locales
 
   check_authorization unless: :devise_controller?
   self.responder = ApplicationResponder
@@ -124,8 +124,4 @@ class ApplicationController < ActionController::Base
     def set_current_user
       User.current_user = current_user
     end
-
-    def set_fallbacks_to_all_available_locales
-      Globalize.set_fallbacks_to_all_available_locales
-    end
 end

app/controllers/concerns/globalize_fallbacks.rb

@@ -0,0 +1,13 @@
+module GlobalizeFallbacks
+  extend ActiveSupport::Concern
+
+  included do
+    before_action :initialize_globalize_fallbacks
+  end
+
+  private
+
+    def initialize_globalize_fallbacks
+      Globalize.set_fallbacks_to_all_available_locales
+    end
+end

app/controllers/management/base_controller.rb

@@ -1,4 +1,5 @@
 class Management::BaseController < ActionController::Base
+  include GlobalizeFallbacks
   layout "management"
 
   before_action :verify_manager

app/controllers/management/sessions_controller.rb

@@ -1,6 +1,7 @@
 require "manager_authenticator"
 
 class Management::SessionsController < ActionController::Base
+  include GlobalizeFallbacks
   include AccessDeniedHandler
 
   def create