fix: simplify More page - Marketing as simple button without submenu

- Remove inline submenu expansion for Marketing
- Keep it consistent with Appearance and Settings (simple buttons)
- Description provides enough context about what's inside

admin-spa/src/routes/More/index.tsx

@@ -12,7 +12,6 @@ interface MenuItem {
   label: string;
   description: string;
   to: string;
-  children?: { label: string; to: string }[];
 }
 
 const menuItems: MenuItem[] = [
@@ -20,11 +19,7 @@ const menuItems: MenuItem[] = [
     icon: <Megaphone className="w-5 h-5" />,
     label: __('Marketing'),
     description: __('Newsletter, coupons, and promotions'),
-    to: '/marketing',
+    to: '/marketing'
-    children: [
-      { label: __('Newsletter'), to: '/marketing/newsletter' },
-      { label: __('Coupons'), to: '/coupons' },
-    ]
   },
   {
     icon: <Palette className="w-5 h-5" />,
@@ -80,8 +75,8 @@ export default function MorePage() {
       {/* Menu Items */}
       <div className="divide-y">
         {menuItems.map((item) => (
-          <div key={item.to}>
           <button
+            key={item.to}
             onClick={() => navigate(item.to)}
             className="w-full flex items-center gap-4 py-4 hover:bg-accent transition-colors"
           >
@@ -96,21 +91,6 @@ export default function MorePage() {
             </div>
             <ChevronRight className="w-5 h-5 text-muted-foreground flex-shrink-0" />
           </button>
-            {/* Submenu items */}
-            {item.children && item.children.length > 0 && (
-              <div className="pl-14 pb-2 space-y-1">
-                {item.children.map((child) => (
-                  <button
-                    key={child.to}
-                    onClick={() => navigate(child.to)}
-                    className="w-full text-left py-2 px-3 text-sm text-muted-foreground hover:text-foreground hover:bg-accent rounded-md transition-colors"
-                  >
-                    {child.label}
-                  </button>
-                ))}
-              </div>
-            )}
-          </div>
         ))}
       </div>