Visibility not restored for Hero after pop #40239

[✓] Flutter (Channel beta, v1.7.8+hotfix.4-pre.7, on Mac OS X 10.14.6 18G87,
    locale zh-Hans-CN)
[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
[✓] Xcode - develop for iOS and macOS (Xcode 10.3)
[✓] Android Studio (version 3.5)
[!] IntelliJ IDEA Community Edition (version 2019.2.1)
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
[✓] Connected device (1 available)

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(),
      body: Center(
        child: GestureDetector(
          onTap: () {
            Navigator.of(context).push(MaterialPageRoute(builder: (context) {
              return Scaffold(
                body: ListView(
                  children: <Widget>[
                    Center(
                      child: Hero(
                        tag: "111",
                        child: Container(
                          width: 50,
                          height: 50,
                          color: Colors.blue,
                        ),
                      ),
                    ),
                    Container(
                      height: 2000,
                    ),
                  ],
                ),
              );
            }));
          },
          child: Hero(
            tag: "111",
            child: Container(
              width: 50,
              height: 50,
              color: Colors.blue,
            ),
          ),
        ),
      ),
    );
  }
}