feat: implement wishlist feature with admin toggle

- Add WishlistController with full CRUD API
- Create wishlist page in My Account
- Add heart icon to all product card layouts (always visible)
- Implement useWishlist hook for state management
- Add wishlist toggle in admin Settings > Customer
- Fix wishlist menu visibility based on admin settings
- Fix double navigation in wishlist page
- Fix variable product navigation to use React Router
- Add TypeScript type casting fix for addresses

customer-spa/src/pages/Account/components/AccountLayout.tsx

@@ -1,6 +1,6 @@
 import React, { ReactNode } from 'react';
 import { Link, useLocation } from 'react-router-dom';
-import { LayoutDashboard, ShoppingBag, Download, MapPin, User, LogOut } from 'lucide-react';
+import { LayoutDashboard, ShoppingBag, Download, MapPin, Heart, User, LogOut } from 'lucide-react';
 
 interface AccountLayoutProps {
   children: ReactNode;
@@ -9,14 +9,21 @@ interface AccountLayoutProps {
 export function AccountLayout({ children }: AccountLayoutProps) {
   const location = useLocation();
   const user = (window as any).woonoowCustomer?.user;
+  const wishlistEnabled = (window as any).woonoowCustomer?.settings?.wishlist_enabled !== false;
   
-  const menuItems = [
+  const allMenuItems = [
     { id: 'dashboard', label: 'Dashboard', path: '/my-account', icon: LayoutDashboard },
     { id: 'orders', label: 'Orders', path: '/my-account/orders', icon: ShoppingBag },
     { id: 'downloads', label: 'Downloads', path: '/my-account/downloads', icon: Download },
     { id: 'addresses', label: 'Addresses', path: '/my-account/addresses', icon: MapPin },
+    { id: 'wishlist', label: 'Wishlist', path: '/my-account/wishlist', icon: Heart },
     { id: 'account-details', label: 'Account Details', path: '/my-account/account-details', icon: User },
   ];
+  
+  // Filter out wishlist if disabled
+  const menuItems = allMenuItems.filter(item => 
+    item.id !== 'wishlist' || wishlistEnabled
+  );
 
   const handleLogout = () => {
     window.location.href = '/wp-login.php?action=logout';