Add filter to REST API image edit. (#23539)

* Add action to REST API image edit.

* Change param on action.

* Convert to filter.

lib/class-wp-rest-image-editor-controller.php

@@ -257,6 +257,17 @@ public function apply_edits( $request ) {
 			'file'          => _wp_relative_upload_path( $image_file ),
 		);
 
+		/**
+		 * Filters the updated attachment meta data.
+		 *
+		 * @since 5.5.0
+		 *
+		 * @param array $data              Array of updated attachment meta data.
+		 * @param int   $new_attachment_id Attachment post ID.
+		 * @param int   $attachment_id     Original Attachment post ID.
+		 */
+		$new_image_meta = apply_filters( 'wp_edited_attachment_metadata', $new_image_meta, $new_attachment_id, $attachment_id );
+
 		wp_update_attachment_metadata( $new_attachment_id, $new_image_meta );
 
 		$path        = '/wp/v2/media/' . $new_attachment_id;