White Space Under Navigation Bar In Drawer Using Flutter

import 'dart:math';
import 'package:flutter/material.dart';

void main() {
  runApp(new MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Transform',
      home: new MyHomePage(),
    );
  }
}

class MyHomePage extends StatelessWidget {
 
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.pink,
        title: Text("Navigation Drawer"),
      ),
      drawer: Container(
        width: 200,
        child: new Drawer(
          child: new  ListView(
            children: <Widget>[
              new UserAccountsDrawerHeader(
                accountEmail: new Text("test@gail.com"),
                accountName: new Text("Test"),
                currentAccountPicture: new CircleAvatar(
                  backgroundColor: Colors.pinkAccent,
                  child: new Text("Test"),
                ),
                otherAccountsPictures: <Widget>[
                  new CircleAvatar(
                    backgroundColor: Colors.pink,
                    child: new Text("MH"),
                  )
                ],
              ),
              new ListTile(
                title: new Text("Artiklar",style: TextStyle(color: Colors.black45),),
                leading: new Icon(Icons.web),
              ),
              new ListTile(
                title: new Text("Media",style: TextStyle(color: Colors.black45),),
                leading: new Icon(Icons.wallpaper),
              ),
              new Divider(),
              new ListTile(
                  title: new Text("Inställningar",style: TextStyle(color: Colors.black45),),
                  leading: new Icon(Icons.settings)
              ),
            ],
          ),
        ),
      ),
      body: Center(
        child: Text('Main Body'),
      ),
    );
  }
}