style(account): update filter icon in account page

- Replace Icons.filter_list_alt with Icons.filter_alt_outlined
- Adjust icon appearance for better visual consistency

Author: fulleni

lib/account/view/account_page.dart

@@ -74,7 +74,7 @@ class AccountPage extends StatelessWidget {
           ),
           ListTile(
             leading: Icon(
-              Icons.filter_list_alt,
+              Icons.filter_alt_outlined,
               color: theme.colorScheme.primary,
             ),
             title: Text(