add thumbnails to the books example to make memory leaks easier to test (#1353)

* add thumbnails to the books example to make memory leaks easier to test

* also add profile build

* migrate material 3 demo code to avoid warning

* Revert "migrate material 3 demo code to avoid warning"

This reverts commit 7df37d9f65.

* fix lints in various packages

* DoNothingAndStopPropagationIntent const conflicts between stable and beta, add lint ignore for now

provider_shopper/lib/screens/login.dart

@@ -39,6 +39,7 @@ class MyLogin extends StatelessWidget {
                   Navigator.pushReplacementNamed(context, '/catalog');
                 },
                 style: ElevatedButton.styleFrom(
+                  // ignore: deprecated_member_use
                   primary: Colors.yellow,
                 ),
                 child: const Text('ENTER'),