feat(CommentItem, PostDetailScreen, ReportDialog): integrate report functionality

- Added report button to CommentItem for reporting comments and replies.
- Integrated ReportDialog into PostDetailScreen for handling report submissions.
- Enhanced ReportDialog with detailed report reasons and improved UI interactions.
- Updated styles across various components for a more modern look and feel.

Made-with: Cursor

src/components/business/ReportDialog/index.ts

@@ -1,2 +1,2 @@
-export { ReportDialog } from './ReportDialog';
+export { default } from './ReportDialog';
 export type { ReportDialogProps } from './ReportDialog';