[Flutter] Flutter 'background' is deprecated

I got this warning

'background' is deprecated and shouldn't be used. Use surface instead. This feature was deprecated after v3.18.0-0.1.pre.
Try replacing the use of the deprecated member with the replacement


with the following code:

import 'package:flutter/material.dart';

// light mode
ThemeData lightMode = ThemeData(
brightness: Brightness.light,
colorScheme: ColorScheme.light(
background: Colors.grey.shade300,
primary: Colors.grey.shade200,
secondary: Colors.grey.shade400,
inversePrimary: Colors.grey.shade800,
)
);


In code I call the background in the following way backgroundColor: Theme.of(context).colorScheme.background.

How to fix it?

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