fix: https://assistance.opentalent.fr/browse/V8-1476

ot_templating/Resources/Public/assets/Classic/style/module/_menu.scss

@@ -130,7 +130,7 @@ $submenu-item-height: 30px;
 #menu .dropdown-menu a {
   height: $menu-font-size;
   padding: (($submenu-item-height - $menu-font-size) / 2) 12px;
-  width: auto;
+  width: 100%;
 
   color: $menu-dropdown-font-color;
   font-size: $menu-font-size;

ot_templating/Resources/Public/assets/Classic/style/style.css

@@ -287,7 +287,7 @@ ul.dropdown-left {
 #menu .dropdown-menu a {
   height: 14px;
   padding: 8px 12px;
-  width: auto;
+  width: 100%;
   color: #555;
   font-size: 14px;
 }