Complete the French translation

customize.dist/DecorateToolbar.js

@@ -3,8 +3,9 @@
 */
 define([
     '/customize/languageSelector.js',
+    '/customize/messages.js',
     '/bower_components/jquery/dist/jquery.min.js'
-], function (LS) {
+], function (LS, Messages) {
     var $ = window.jQuery;
     var main = function () {
         $.ajax({
@@ -17,6 +18,7 @@ define([
                     href: '/customize/main.css'
                 }));
                 LS.main();
+                Messages._applyTranslation();
             }
         });
     };