fix: Submenu active states + Guest wishlist frontend check

Submenu Active State Fix:
Problem: Dashboard Overview never active, All Orders/Products/Customers always active
Root Cause: Submenu path matching didn't respect 'exact' flag from backend
Solution: Added proper exact flag handling in SubmenuBar component
- If item.exact = true: only match exact path (for Overview at /dashboard)
- If item.exact = false/undefined: match path + sub-paths (for All Orders at /orders)
Result: Submenu items now show correct active state ✅

Guest Wishlist Frontend Fix:
Problem: Guest wishlist enabled in backend but frontend blocked with login prompt
Root Cause: useWishlist hook had frontend login checks before API calls
Solution: Removed frontend login checks from addToWishlist and removeFromWishlist
- Backend already enforces permission via check_permission() based on enable_guest_wishlist
- Frontend now lets backend handle authorization
- API returns proper error if guest wishlist disabled
Result: Guests can add/remove wishlist items when setting enabled ✅

Files Modified (2):
- admin-spa/src/components/nav/SubmenuBar.tsx (exact flag handling)
- customer-spa/src/hooks/useWishlist.ts (removed login checks)
- admin-spa/dist/app.js + customer-spa/dist/app.js (rebuilt)

Both submenu and guest wishlist issues resolved!

admin-spa/src/components/nav/SubmenuBar.tsx

@@ -26,8 +26,16 @@ export default function SubmenuBar({ items = [], fullscreen = false, headerVisib
         <div className="flex gap-2 overflow-x-auto no-scrollbar">
           {items.map((it) => {
             const key = `${it.label}-${it.path || it.href}`;
-            // Check if current path starts with the submenu path (for sub-pages like /settings/notifications/staff)
-            const isActive = !!it.path && (pathname === it.path || pathname.startsWith(it.path + '/'));
+            // Exact match for submenu items, or match with sub-paths (e.g., /settings/notifications matches /settings/notifications/staff)
+            // Special handling: if item has exact flag, only match exact path
+            let isActive = false;
+            if (it.path) {
+              if (it.exact) {
+                isActive = pathname === it.path;
+              } else {
+                isActive = pathname === it.path || pathname.startsWith(it.path + '/');
+              }
+            }
             const cls = [
               'ui-ctrl inline-flex items-center gap-2 rounded-md px-2.5 py-1.5 border text-sm whitespace-nowrap',
               'focus:outline-none focus:ring-0 focus:shadow-none',