title: Flutter- "extendBody: true" does absolutely nothing. I want to extend the body behind the navigation bar
body: <p>I want my body to occupy the entire screen. I've tried using <code>extendBody: true</code> but it seems to do absolutely nothing. Here's the sample code along with a screenshot-</p>
  <pre><code>import 'package:flutter/material.dart';
  
  void main() {
    runApp(MyApp());
  }
  
  class MyApp extends StatelessWidget {
    // This widget is the root of your application.
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        home: MyHomePage(),
      );
    }
  }
  
  class MyHomePage extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        extendBody: true,
        body: Container(
          color: Colors.orange,
          height: double.infinity,
          width: double.infinity,
        ),
        floatingActionButton:
            FloatingActionButton(), // This trailing comma makes auto-formatting nicer for build methods.
      );
    }
  } 
  </code></pre>
  <p>Screenshot:</p>
  <p><img src="https://i.stack.imgur.com/qylEVl.png" alt="screenshot" /></p>
  <p>I'm running a pixel 3xl avd with android R</p>