Block Library: Post Title: Ensure post entity is fetched

packages/block-library/src/post-title/edit.js

@@ -5,13 +5,19 @@ import { useSelect } from '@wordpress/data';
 
 export default function PostTitleEdit( { context } ) {
 	const { postType, postId } = context;
-	const post = useSelect(
-		( select ) =>
+
+	// The unused `getEntityRecord` is necessary to trigger the default resolver
+	// behavior to fetch the post if not already known. Ideally this is built-in
+	// to `getEditedEntityRecord`, which derives using `getEntityRecord`.
+	const [ post ] = useSelect(
+		( select ) => [
 			select( 'core' ).getEditedEntityRecord(
 				'postType',
 				postType,
 				postId
 			),
+			select( 'core' ).getEntityRecord( 'postType', postType, postId ),
+		],
 		[ 'postType', 'postId' ]
 	);