Forms: remove related-posts from API calls (#45928)

Author: simison

projects/packages/forms/changelog/update-forms-remove-related-posts

@@ -0,0 +1,4 @@
+Significance: minor
+Type: changed
+
+Forms: remove related-posts from API calls

projects/packages/forms/src/contact-form/class-contact-form-plugin.php

@@ -268,6 +268,9 @@ protected function __construct() {
 		// Add to REST API post type allowed list.
 		add_filter( 'rest_api_allowed_post_types', array( $this, 'allow_feedback_rest_api_type' ) );
 
+		// Don't let related posts hook into feedback post type.
+		add_filter( 'jetpack_related_posts_rest_api_allowed_post_types', array( $this, 'remove_from_related_posts_allowed_post_types' ) );
+
 		// Add "spam" as a post status
 		register_post_status(
 			'spam',
@@ -351,6 +354,16 @@ protected function __construct() {
 		}
 	}
 
+	/**
+	 * Remove feedback post type from the allowed post types for related posts.
+	 *
+	 * @param array $post_types The allowed post types.
+	 * @return array The allowed post types.
+	 */
+	public static function remove_from_related_posts_allowed_post_types( $post_types ) {
+		return array_diff( $post_types, array( 'feedback' ) );
+	}
+
 	/**
 	 * Prevent 'jp-forms-view' script from being concatenated.
 	 *

projects/plugins/jetpack/changelog/update-forms-remove-related-posts

@@ -0,0 +1,4 @@
+Significance: minor
+Type: enhancement
+
+Forms: remove related-posts from API calls

projects/plugins/jetpack/modules/related-posts/jetpack-related-posts.php

@@ -2033,6 +2033,16 @@ protected function allow_feature_toggle() {
 	public function rest_register_related_posts() {
 		/** This filter is already documented in class.json-api-endpoints.php */
 		$post_types = apply_filters( 'rest_api_allowed_post_types', array( 'post', 'page', 'revision' ) );
+
+		/**
+		 * Filter the post types that are allowed to have related posts.
+		 *
+		 * @since $$next-version$$
+		 *
+		 * @param array $post_types The post types that are allowed to have related posts.
+		 */
+		$post_types = apply_filters( 'jetpack_related_posts_rest_api_allowed_post_types', $post_types );
+
 		foreach ( $post_types as $post_type ) {
 			register_rest_field(
 				$post_type,