refactor: standardize pagination response structure and enhance cursor handling

- Update various services and hooks to replace 'items' with 'list' for consistency in pagination responses.
- Modify PostRepository, commentService, groupService, messageService, and postService to align with the new response structure.
- Enhance cursor pagination logic in hooks and components to ensure proper handling of pagination states.
- Refactor HomeScreen, PostDetailScreen, SearchScreen, and other components to utilize the updated pagination structure.

src/screens/message/NotificationsScreen.tsx

@@ -88,7 +88,7 @@ export const NotificationsScreen: React.FC<{ onBack?: () => void }> = ({ onBack
   );
 
   const {
-    items: messages,
+    list: messages,
     isLoading,
     isRefreshing,
     hasMore,