fix: some test erros

frontend/appflowy_flutter/integration_test/desktop/document/document_copy_and_paste_test.dart

@@ -5,6 +5,7 @@ import 'package:appflowy/plugins/document/presentation/editor_plugins/block_menu
 import 'package:appflowy/plugins/document/presentation/editor_plugins/copy_and_paste/clipboard_service.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/image/custom_image_block_component/custom_image_block_component.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/link_preview/custom_link_preview.dart';
+import 'package:appflowy/plugins/document/presentation/editor_plugins/link_preview/paste_as/paste_as_menu.dart';
 import 'package:appflowy/startup/startup.dart';
 import 'package:appflowy_editor/appflowy_editor.dart';
 import 'package:appflowy_editor_plugins/appflowy_editor_plugins.dart';
@@ -320,6 +321,16 @@ void main() {
       (tester) async {
         const url = 'https://appflowy.io';
         await tester.pasteContent(plainText: url, (editorState) async {
+          final pasteAsMenu = find.byType(PasteAsMenu);
+          expect(pasteAsMenu, findsOneWidget);
+          final bookmarkButton = find.descendant(
+            of: pasteAsMenu,
+            matching: find.text(
+              LocaleKeys.document_plugins_linkPreview_typeSelection_bookmark
+                  .tr(),
+            ),
+          );
+          await tester.tapButton(bookmarkButton);
           // the second one is the paragraph node
           expect(editorState.document.root.children.length, 2);
           final node = editorState.getNodeAtPath([0])!;
@@ -363,6 +374,16 @@ void main() {
       (tester) async {
         const url = 'https://appflowy.io';
         await tester.pasteContent(plainText: url, (editorState) async {
+          final pasteAsMenu = find.byType(PasteAsMenu);
+          expect(pasteAsMenu, findsOneWidget);
+          final bookmarkButton = find.descendant(
+            of: pasteAsMenu,
+            matching: find.text(
+              LocaleKeys.document_plugins_linkPreview_typeSelection_bookmark
+                  .tr(),
+            ),
+          );
+          await tester.tapButton(bookmarkButton);
           // the second one is the paragraph node
           expect(editorState.document.root.children.length, 2);
           final node = editorState.getNodeAtPath([0])!;

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/copy_and_paste/custom_paste_command.dart

@@ -163,7 +163,7 @@ Future<bool> _pasteAsLinkPreview(
   EditorState editorState,
   String? text,
 ) async {
-  if (!UniversalPlatform.isMobile) return false;
+  final isMobile = UniversalPlatform.isMobile;
   // the url should contain a protocol
   if (text == null || !isURL(text, {'require_protocol': true})) {
     return false;
@@ -195,6 +195,8 @@ Future<bool> _pasteAsLinkPreview(
     return false;
   }
 
+  if (!isMobile && !isImageUrl) return false;
+
   // insert the text with link format
   final textTransaction = editorState.transaction
     ..insertText(

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/copy_and_paste/paste_from_html.dart

@@ -1,3 +1,4 @@
+import 'package:appflowy/plugins/document/presentation/editor_plugins/copy_and_paste/paste_from_plain_text.dart';
 import 'package:appflowy/plugins/document/presentation/editor_plugins/plugins.dart';
 import 'package:appflowy/shared/markdown_to_document.dart';
 import 'package:appflowy/shared/patterns/common_patterns.dart';
@@ -13,6 +14,7 @@ extension PasteFromHtml on EditorState {
     }
     if (nodes.length == 1) {
       await pasteSingleLineNode(nodes.first);
+      checkToShowPasteAsMenu(nodes.first);
     } else {
       await pasteMultiLineNodes(nodes.toList());
     }

frontend/appflowy_flutter/lib/plugins/document/presentation/editor_plugins/copy_and_paste/paste_from_plain_text.dart

@@ -43,13 +43,7 @@ extension PasteFromPlainText on EditorState {
     }
     if (nodes.length == 1) {
       await pasteSingleLineNode(nodes.first);
-      final href = _getLinkFromNode(nodes.first);
+      checkToShowPasteAsMenu(nodes.first);
-      if (href != null && !UniversalPlatform.isMobile) {
-        final context = document.root.context;
-        if (context != null && context.mounted) {
-          PasteAsMenuService(context: context, editorState: this).show(href);
-        }
-      }
     } else {
       await pasteMultiLineNodes(nodes.toList());
     }
@@ -74,9 +68,20 @@ extension PasteFromPlainText on EditorState {
       AppFlowyRichTextKeys.href: plainText,
     });
     await apply(transaction);
+    checkToShowPasteAsMenu(node);
     return true;
   }
 
+  void checkToShowPasteAsMenu(Node node) {
+    final href = _getLinkFromNode(node);
+    if (href != null && !UniversalPlatform.isMobile) {
+      final context = document.root.context;
+      if (context != null && context.mounted) {
+        PasteAsMenuService(context: context, editorState: this).show(href);
+      }
+    }
+  }
+
   String? _getLinkFromNode(Node node) {
     for (final insert in node.delta!) {
       final link = insert.attributes?.href;