如何设置在ReorderableListView内拖动子控件的边界
电流输出：-

预期输出：-
可拖动子控件的移动距离不应超过蓝色Container控件。
重现问题的代码：-

import 'package:flutter/material.dart';

void main() => runApp(const ReorderableApp());

class ReorderableApp extends StatelessWidget {
  const ReorderableApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('ReorderableListView Sample')),
        body: const ReorderableExample(),
      ),
    );
  }
}

class ReorderableExample extends StatefulWidget {
  const ReorderableExample({super.key});

  @override
  State<ReorderableExample> createState() => _MyStatefulWidgetState();
}

class _MyStatefulWidgetState extends State<ReorderableExample> {
  final List<int> _items = List<int>.generate(20, (int index) => index);

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Container(
        height: 300,
        width: 300,
        color: Colors.blue[100],
        padding: const EdgeInsets.all(10),
        child: Center(
          child: ReorderableListView(
            padding: const EdgeInsets.symmetric(vertical: 10),
            children: <Widget>[
              for (int index = 0; index < _items.length; index += 1)
                Container(
                  key: Key('$index'),
                  height: 60,
                  margin: const EdgeInsets.all(5),
                  color: Colors.blue[400],
                  alignment: Alignment.center,
                  child: Text('Item ${_items[index]}'),
                ),
            ],
            onReorder: (int oldIndex, int newIndex) {
              setState(() {
                if (oldIndex < newIndex) {
                  newIndex -= 1;
                }
                final int item = _items.removeAt(oldIndex);
                _items.insert(newIndex, item);
              });
            },
          ),
        ),
      ),
    );
  }
}