fix delta from cliboard compose

flutter_quill_extensions/lib/embeds/video/editor/video_embed.dart

@@ -18,6 +18,9 @@ class QuillEditorVideoEmbedBuilder extends EmbedBuilder {
   @override
   String get key => BlockEmbed.videoType;
 
+  @override
+  bool get expanded => false;
+
   @override
   Widget build(
     BuildContext context,

lib/src/models/documents/document.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 
+import '../../widgets/others/cursor.dart';
 import '../../widgets/quill/embeds.dart';
 import '../quill_delta.dart';
 import '../rules/rule.dart';

lib/src/widgets/raw_editor/raw_editor_state.dart

@@ -212,7 +212,7 @@ class QuillRawEditorState extends EditorState
         return;
       }
       final deltaFromCliboard = QuillController.fromHtml(html);
-      final delta = controller.document.toDelta().compose(deltaFromCliboard);
+      final delta = deltaFromCliboard.compose(controller.document.toDelta());
 
       controller
         ..updateDocument(