Update ListTile sample snippets to use Material Scaffold Template (#30800)
diff --git a/packages/flutter/lib/src/material/list_tile.dart b/packages/flutter/lib/src/material/list_tile.dart
index eed46a1..0500bc4 100644
--- a/packages/flutter/lib/src/material/list_tile.dart
+++ b/packages/flutter/lib/src/material/list_tile.dart
@@ -301,7 +301,7 @@
/// you're looking for, it's easy to create custom list items with a
/// combination of other widgets, such as [Row]s and [Column]s.
///
-/// {@tool snippet --template=stateless_widget_material}
+/// {@tool snippet --template=stateless_widget_scaffold}
///
/// Here is an example of a custom list item that resembles a Youtube related
/// video list item created with [Expanded] and [Container] widgets.
@@ -396,35 +396,35 @@
///
/// ```dart
/// Widget build(BuildContext context) {
-/// return ListView(
-/// padding: const EdgeInsets.all(8.0),
-/// itemExtent: 106.0,
-/// children: <CustomListItem>[
-/// CustomListItem(
-/// user: 'Flutter',
-/// viewCount: 999000,
-/// thumbnail: Container(
-/// decoration: const BoxDecoration(color: Colors.blue),
-/// ),
-/// title: 'The Flutter YouTube Channel',
-/// ),
-/// CustomListItem(
-/// user: 'Dash',
-/// viewCount: 884000,
-/// thumbnail: Container(
-/// decoration: const BoxDecoration(color: Colors.yellow),
-/// ),
-/// title: 'Announcing Flutter 1.0',
-/// ),
-/// ],
-/// );
+/// return ListView(
+/// padding: const EdgeInsets.all(8.0),
+/// itemExtent: 106.0,
+/// children: <CustomListItem>[
+/// CustomListItem(
+/// user: 'Flutter',
+/// viewCount: 999000,
+/// thumbnail: Container(
+/// decoration: const BoxDecoration(color: Colors.blue),
+/// ),
+/// title: 'The Flutter YouTube Channel',
+/// ),
+/// CustomListItem(
+/// user: 'Dash',
+/// viewCount: 884000,
+/// thumbnail: Container(
+/// decoration: const BoxDecoration(color: Colors.yellow),
+/// ),
+/// title: 'Announcing Flutter 1.0',
+/// ),
+/// ],
+/// );
/// }
/// ```
/// {@end-tool}
///
-/// {@tool snippet --template=stateless_widget_material}
+/// {@tool snippet --template=stateless_widget_scaffold}
///
-/// Here is another example of an article list item with multi-line titles and
+/// Here is an example of an article list item with multi-line titles and
/// subtitles. It utilizes [Row]s and [Column]s, as well as [Expanded] and
/// [AspectRatio] widgets to organize its layout.
///
@@ -453,13 +453,13 @@
/// crossAxisAlignment: CrossAxisAlignment.start,
/// children: <Widget>[
/// Expanded(
-/// flex: 3,
+/// flex: 2,
/// child: Column(
/// crossAxisAlignment: CrossAxisAlignment.start,
/// children: <Widget>[
/// Text(
/// '$title',
-/// maxLines: 1,
+/// maxLines: 2,
/// overflow: TextOverflow.ellipsis,
/// style: const TextStyle(
/// fontWeight: FontWeight.bold,
@@ -468,7 +468,7 @@
/// const Padding(padding: EdgeInsets.only(bottom: 2.0)),
/// Text(
/// '$subtitle',
-/// maxLines: 3,
+/// maxLines: 2,
/// overflow: TextOverflow.ellipsis,
/// style: const TextStyle(
/// fontSize: 12.0,
@@ -479,7 +479,7 @@
/// ),
/// ),
/// Expanded(
-/// flex: 2,
+/// flex: 1,
/// child: Column(
/// crossAxisAlignment: CrossAxisAlignment.start,
/// mainAxisAlignment: MainAxisAlignment.end,