Adjust preload paths

Author: ellatrix

src/wp-admin/site-editor.php

@@ -182,7 +182,7 @@ static function ( $classes ) {
 	array( rest_get_route_for_post_type_items( 'attachment' ), 'OPTIONS' ),
 	array( rest_get_route_for_post_type_items( 'page' ), 'OPTIONS' ),
 	'/wp/v2/types?context=view',
-	'/wp/v2/_wp_static_template?context=edit',
+	'/wp/v2/wp_registered_template?context=edit',
 	'/wp/v2/types/wp_template?context=edit',
 	'/wp/v2/types/wp_template_part?context=edit',
 	'/wp/v2/templates?context=edit&per_page=-1',
@@ -245,7 +245,9 @@ static function ( $classes ) {
 			);
 		}
 	}
-} else {
+} else if ( isset( $_GET['p'] ) && '/' !== $_GET['p'] ) {
+	// Only prefetch for the root. If we preload it for all pages and it's not
+	// used it won't be possible to invalidate.
 	$preload_paths[] = '/wp/v2/templates/lookup?slug=front-page';
 	$preload_paths[] = '/wp/v2/templates/lookup?slug=home';
 }