feat: imporve the functionality of pasting from html

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_page.dart

@@ -1,8 +1,8 @@
 import 'package:appflowy/plugins/document/application/doc_bloc.dart';
+import 'package:appflowy/plugins/document/presentation/editor_plugins/inline_page/inline_page_reference.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/plugins.dart';
 import 'package:appflowy/plugins/document/presentation/editor_style.dart';
 import 'package:appflowy/workspace/application/settings/shortcuts/settings_shortcuts_service.dart';
-import 'package:appflowy/plugins/document/presentation/editor_plugins/inline_page/inline_page_reference.dart';
 import 'package:appflowy_editor/appflowy_editor.dart';
 import 'package:collection/collection.dart';
 import 'package:flowy_infra/theme_extension.dart';

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/callout/callout_block_component.dart

@@ -3,6 +3,7 @@ import 'package:flowy_infra/theme_extension.dart';
 import 'package:flowy_infra_ui/flowy_infra_ui.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+
 import '../base/emoji_picker_button.dart';
 
 // defining the keys of the callout block's attributes for easy access
@@ -138,7 +139,7 @@ class _CalloutBlockComponentWidgetState
   Color get backgroundColor {
     final colorString =
         node.attributes[CalloutBlockKeys.backgroundColor] as String;
-    return colorString.toColor();
+    return colorString.toColor() ?? Colors.transparent;
   }
 
   // get the emoji of the note block from the node's attributes or default to '📌'

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/outline/outline_block_component.dart

@@ -1,8 +1,8 @@
 import 'dart:async';
 
 import 'package:appflowy/generated/locale_keys.g.dart';
-import 'package:easy_localization/easy_localization.dart';
 import 'package:appflowy_editor/appflowy_editor.dart';
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flowy_infra_ui/style_widget/hover.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
@@ -84,7 +84,7 @@ class _OutlineBlockWidgetState extends State<OutlineBlockWidget>
     if (colorString == null) {
       return Colors.transparent;
     }
-    return colorString.toColor();
+    return colorString.toColor() ?? Colors.transparent;
   }
 
   late EditorState editorState = context.read<EditorState>();

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_style.dart

@@ -32,7 +32,6 @@ class EditorStyleCustomizer {
     final fontFamily = context.read<DocumentAppearanceCubit>().state.fontFamily;
     return EditorStyle.desktop(
       padding: padding,
-      backgroundColor: theme.colorScheme.surface,
       cursorColor: theme.colorScheme.primary,
       textStyleConfiguration: TextStyleConfiguration(
         text: baseTextStyle(fontFamily).copyWith(
@@ -76,7 +75,6 @@ class EditorStyleCustomizer {
 
     return EditorStyle.desktop(
       padding: padding,
-      backgroundColor: theme.colorScheme.surface,
       cursorColor: theme.colorScheme.primary,
       textStyleConfiguration: TextStyleConfiguration(
         text: baseTextStyle(fontFamily).copyWith(

frontend/appflowy_flutter/pubspec.lock

@@ -53,8 +53,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: e5a10c4
+      ref: "56474e8b"
-      resolved-ref: e5a10c4b4da10ae2faab8fd9a040633f66e3763b
+      resolved-ref: "56474e8bd9f08be7090495c255eea20a694ab1f3"
       url: "https://github.com/AppFlowy-IO/appflowy-editor.git"
     source: git
     version: "1.2.3"

frontend/appflowy_flutter/pubspec.yaml

@@ -48,7 +48,7 @@ dependencies:
   appflowy_editor:
     git:
       url: https://github.com/AppFlowy-IO/appflowy-editor.git
-      ref: e5a10c4
+      ref: 56474e8b
   appflowy_popover:
     path: packages/appflowy_popover