[Bug] keyboard will not popup when tap with empty text

[ganluo960214]

Bug Description

keyboard will not popup when tap with empty text

How to Reproduce

just tap.

Expected Behavior

the keyboard pop

Operating System

android

AppFlowy Editor Version(s)

2.3.3

Screenshots

https://github.com/AppFlowy-IO/appflowy-editor/assets/8499204/03fa3c3d-36a8-43e9-913d-10e443629e98

Additional Context

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const Scaffold(
        body: SafeArea(
          child: Demo(),
        ),
      ),
    );
  }
}

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

  @override
  State<Demo> createState() => _DemoState();
}

class _DemoState extends State<Demo> {

  final editorState = EditorState(document: Document.blank(withInitialText: true));

  @override
  Widget build(BuildContext context) {
    return AppFlowyEditor(editorState: editorState);
  }
}