Add blank line for readability in error handling

Inserted a blank line after adding an error in the Remote_Actors class to improve code readability and maintain consistent formatting.

Author: pfefferle

includes/collection/class-remote-actors.php

@@ -471,6 +471,7 @@ public static function get_actor( $post ) {
 
 		if ( \is_wp_error( $actor ) ) {
 			self::add_error( $post->ID, $actor );
+
 			return $actor;
 		}