Correction du script de la navigation principale (#477)

assets/js/theme/design-system/mainMenu.js

@@ -13,9 +13,7 @@ class MainMenu {
         this.element = document.querySelector(selector);
         this.menu = this.element.querySelector('.menu');
         this.mainButton = this.element.querySelector('button.header-button');
-        if (!this.mainButton) {
-            return;
-        }
+
         this.dropdownsButtons = this.element.querySelectorAll('.has-children [role="button"]');
 
         this.state = {
@@ -39,9 +37,11 @@ class MainMenu {
             }
         });
 
-        this.mainButton.addEventListener('click', () => {
-            this.toggleMainMenu();
-        });
+        if (this.mainButton) {
+            this.mainButton.addEventListener('click', () => {
+                this.toggleMainMenu();
+            });
+        }
 
         this.dropdownsButtons.forEach((button) => {
             a11yClick(button, (event) => {