Update preload paths for post, site and widgets editors

src/wp-admin/edit-form-blocks.php

@@ -57,13 +57,20 @@ static function( $classes ) {
 
 // Preload common data.
 $preload_paths = array(
-	'/wp/v2/types?context=edit',
-	'/wp/v2/taxonomies?context=edit',
-	'/wp/v2/themes?status=active',
+	'/wp/v2/types?context=view',
+	'/wp/v2/taxonomies?context=view',
+	add_query_arg(
+		array(
+			'context' => 'edit',
+			'per_page' => -1,
+		),
+		rest_get_route_for_post_type_items( 'wp_block' )
+	),
 	add_query_arg( 'context', 'edit', $rest_path ),
 	sprintf( '/wp/v2/types/%s?context=edit', $post_type ),
 	'/wp/v2/users/me',
 	array( rest_get_route_for_post_type_items( 'attachment' ), 'OPTIONS' ),
+	array( rest_get_route_for_post_type_items( 'page' ), 'OPTIONS' ),
 	array( rest_get_route_for_post_type_items( 'wp_block' ), 'OPTIONS' ),
 	sprintf( '%s/autosaves?context=edit', $rest_path ),
 	'/wp/v2/settings',

src/wp-admin/site-editor.php

@@ -72,17 +72,11 @@ static function( $classes ) {
 $active_theme            = wp_get_theme()->get_stylesheet();
 $preload_paths           = array(
 	array( '/wp/v2/media', 'OPTIONS' ),
-	'/wp/v2/types?context=edit',
+	'/wp/v2/types?context=view',
 	'/wp/v2/types/wp_template?context=edit',
 	'/wp/v2/types/wp_template-part?context=edit',
-	'/wp/v2/taxonomies?context=edit',
-	'/wp/v2/pages?context=edit',
-	'/wp/v2/categories?context=edit',
-	'/wp/v2/posts?context=edit',
-	'/wp/v2/tags?context=edit',
 	'/wp/v2/templates?context=edit&per_page=-1',
 	'/wp/v2/template-parts?context=edit&per_page=-1',
-	'/wp/v2/settings',
 	'/wp/v2/themes?context=edit&status=active',
 	'/wp/v2/global-styles/' . $active_global_styles_id . '?context=edit',
 	'/wp/v2/global-styles/' . $active_global_styles_id,

src/wp-admin/widgets-form-blocks.php

@@ -19,6 +19,7 @@
 
 $preload_paths = array(
 	array( rest_get_route_for_post_type_items( 'attachment' ), 'OPTIONS' ),
+	'/wp/v2/widget-types?context=edit&per_page=-1',
 	'/wp/v2/sidebars?context=edit&per_page=-1',
 	'/wp/v2/widgets?context=edit&per_page=-1&_embed=about',
 );