revert block pattern fetched parsed blocks

packages/block-editor/src/components/block-patterns-list/index.js

@@ -9,17 +9,25 @@ import {
 } from '@wordpress/components';
 import { useInstanceId } from '@wordpress/compose';
 import { __ } from '@wordpress/i18n';
+import { useSelect } from '@wordpress/data';
 
 /**
  * Internal dependencies
  */
 import BlockPreview from '../block-preview';
 import InserterDraggableBlocks from '../inserter-draggable-blocks';
+import { store as blockEditorStore } from '../../store';
 
 function BlockPattern( { isDraggable, pattern, onClick, composite } ) {
+	const { name, viewportWidth } = pattern;
+	const { blocks } = useSelect(
+		( select ) =>
+			select( blockEditorStore ).__experimentalGetParsedPattern( name ),
+		[ name ]
+	);
 	const instanceId = useInstanceId( BlockPattern );
-	const { viewportWidth, blocks } = pattern;
 	const descriptionId = `block-editor-block-patterns-list__item-description-${ instanceId }`;
+
 	return (
 		<InserterDraggableBlocks isEnabled={ isDraggable } blocks={ blocks }>
 			{ ( { draggable, onDragStart, onDragEnd } ) => (