- Updated the loading messages list to use CustomScrollView and SliverList, enhancing the layout and performance during message loading.
- Refactored the actual messages display to utilize OptimizedSliverList, allowing for better lazy loading and smoother scrolling.
- Adjusted padding and cache extent settings to optimize the user experience while navigating through messages.
- Streamlined the message rendering logic to improve maintainability and responsiveness of the chat interface.
- Added `sendMessageWithContainer` function to facilitate message sending with a ProviderContainer.
- Updated `_ChatPageState` to improve scroll behavior, ensuring smoother auto-scrolling when near the bottom of the chat.
- Refactored scroll logic to simplify conditions for showing and hiding the scroll-to-bottom button.
- Adjusted the `OptimizedList` widget to correctly handle item indexing based on the reverse property, enhancing list performance and usability.
