refactor: Consolidate Message Scrolling & other Logic to Custom Hooks 🔄 (#1257)

* refactor: remove unnecessary drilling/invoking of ScrollToBottom
- feat: useMessageScrolling: consolidates all scrolling logic to hook
- feat: useMessageHelpers: creates message utilities and consolidates logic from UI component

* fix: ensure automatic scrolling is triggered by messagesTree re-render and is throttled

client/src/hooks/index.ts

@@ -1,3 +1,5 @@
+export * from './Messages';
+
 export * from './AuthContext';
 export * from './ThemeContext';
 export * from './ScreenshotContext';