Editor: Ensure the required assets for the block directory are enqueued.

This fixes an issue where the block directory appears unstyled due to the stylesheets not being enqueued.

Props ryelle, timothyblynjacobs, earnjam.
Fixes #50661.
Built from https://develop.svn.wordpress.org/trunk@48537


git-svn-id: http://core.svn.wordpress.org/trunk@48299 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/edit-form-blocks.php

@@ -365,14 +365,13 @@ wp_enqueue_media(
 );
 wp_tinymce_inline_scripts();
 wp_enqueue_editor();
-wp_enqueue_script( 'wp-block-directory' );
+
 
 /**
  * Styles
  */
 wp_enqueue_style( 'wp-edit-post' );
 wp_enqueue_style( 'wp-format-library' );
-wp_enqueue_style( 'wp-block-directory' );
 
 /**
  * Fires after block assets have been enqueued for the editing interface.

wp-includes/default-filters.php

@@ -516,6 +516,7 @@ add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
 add_filter( 'customize_controls_print_styles', 'wp_resource_hints', 1 );
 add_action( 'enqueue_block_assets', 'enqueue_block_styles_assets', 30 );
 add_action( 'enqueue_block_editor_assets', 'enqueue_editor_block_styles_assets' );
+add_action( 'enqueue_block_editor_assets', 'wp_enqueue_editor_block_directory_assets' );
 
 add_action( 'wp_default_styles', 'wp_default_styles' );
 add_filter( 'style_loader_src', 'wp_style_loader_src', 10, 2 );

wp-includes/script-loader.php

@@ -1463,6 +1463,7 @@ function wp_default_styles( $styles ) {
 			'wp-editor-font',
 		),
 		'block-library'        => array(),
+		'block-directory'      => array(),
 		'components'           => array(),
 		'edit-post'            => array(
 			'wp-components',
@@ -1527,6 +1528,7 @@ function wp_default_styles( $styles ) {
 		'wp-edit-blocks',
 		'wp-block-editor',
 		'wp-block-library',
+		'wp-block-directory',
 		'wp-components',
 		'wp-edit-post',
 		'wp-editor',
@@ -2269,3 +2271,13 @@ function enqueue_editor_block_styles_assets() {
 	wp_add_inline_script( 'wp-block-styles', $inline_script );
 	wp_enqueue_script( 'wp-block-styles' );
 }
+
+/**
+ * Enqueues the assets required for the block directory within the block editor.
+ *
+ * @since 5.5.0
+ */
+function wp_enqueue_editor_block_directory_assets() {
+	wp_enqueue_script( 'wp-block-directory' );
+	wp_enqueue_style( 'wp-block-directory' );
+}

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta2-48536';
+$wp_version = '5.5-beta2-48537';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.