Bug: Align list item do not change the export DOM (#5160)

Co-authored-by: Trường Vĩnh Trịnh <[email protected]>

packages/lexical-list/src/LexicalListItemNode.ts

@@ -10,6 +10,7 @@ import type {ListNode} from './';
 import type {
   DOMConversionMap,
   DOMConversionOutput,
+  DOMExportOutput,
   EditorConfig,
   EditorThemeClasses,
   GridSelection,
@@ -34,6 +35,7 @@ import {
   $isParagraphNode,
   $isRangeSelection,
   ElementNode,
+  LexicalEditor,
 } from 'lexical';
 import invariant from 'shared/invariant';
 
@@ -132,6 +134,14 @@ export class ListItemNode extends ElementNode {
     return node;
   }
 
+  exportDOM(editor: LexicalEditor): DOMExportOutput {
+    const element = this.createDOM(editor._config);
+    element.style.textAlign = this.getFormatType();
+    return {
+      element,
+    };
+  }
+
   exportJSON(): SerializedListItemNode {
     return {
       ...super.exportJSON(),