Fix `Drawer` examples are missing `dartpad` tag (#134219)

fixes [`Drawer` examples are misssing `dartpad` tag]( https://github.com/flutter/flutter/issues/134217)

these examples were updated in https://github.com/flutter/flutter/pull/130523

packages/flutter/lib/src/material/drawer.dart

@@ -79,11 +79,11 @@ const Duration _kBaseSettleDuration = Duration(milliseconds: 246);
 /// are a little bit different, see the Material 3 spec at
 /// <https://m3.material.io/components/navigation-drawer/overview> for
 /// more details. While the [Drawer] widget can have only one child, the
-/// [NavigationDrawer] widget can have list of widgets, which typically contains
+/// [NavigationDrawer] widget can have a list of widgets, which typically contains
 /// [NavigationDrawerDestination] widgets and/or customized widgets like headlines
 /// and dividers.
 ///
-/// {@tool snippet}
+/// {@tool dartpad}
 /// This example shows how to create a [Scaffold] that contains an [AppBar] and
 /// a [Drawer]. A user taps the "menu" icon in the [AppBar] to open the
 /// [Drawer]. The [Drawer] displays four items: A header and three menu items.
@@ -93,10 +93,10 @@ const Duration _kBaseSettleDuration = Duration(milliseconds: 246);
 /// ** See code in examples/api/lib/material/drawer/drawer.0.dart **
 /// {@end-tool}
 ///
-/// {@tool snippet}
+/// {@tool dartpad}
 /// This example shows how to migrate the above [Drawer] to a [NavigationDrawer].
 ///
-/// ** See code in examples/api/lib/material/navigation_drawer/navigation_drawer.1.dart **
+/// ** See code in examples/api/lib/material/navigation_drawer/navigation_drawer.0.dart **
 /// {@end-tool}
 ///
 /// An open drawer may be closed with a swipe to close gesture, pressing the