fix

lib/features/favorites/presentation/pages/favorites_page.dart

@@ -303,14 +303,14 @@ class FavoritesPage extends HookConsumerWidget {
                     },
                     child: _FavoritesGrid(products: previousValue),
                   ),
-                  const Positioned(
+                  Positioned(
                     top: 16,
                     left: 0,
                     right: 0,
                     child: Center(
                       child: Card(
                         child: Padding(
-                          padding: EdgeInsets.symmetric(
+                          padding: const EdgeInsets.symmetric(
                             horizontal: 16.0,
                             vertical: 8.0,
                           ),
@@ -322,8 +322,8 @@ class FavoritesPage extends HookConsumerWidget {
                                 height: 16,
                                 child: CustomLoadingIndicator(color: colorScheme.primary, size: 20),
                               ),
-                              SizedBox(width: 8),
-                              Text('Đang tải...'),
+                              const SizedBox(width: 8),
+                              const Text('Đang tải...'),
                             ],
                           ),
                         ),