WooCommerce, limit related products to have the same developer

/* Show related products only for same developer */
add_filter( 'woocommerce_related_products', 'web_related_products_by_attribute', 10, 3 );
function web_related_products_by_attribute( $related_posts, $product_id, $args ) {
  $taxonomy   = 'pa_developer'; // here we define the targeted product attribute taxonomy
  $term_slugs = wp_get_post_terms( $product_id, $taxonomy, ['fields' => 'slugs'] ); // Get terms for the product
  if ( empty($term_slugs) ) {
	return $related_posts;
  }
  $posts_ids = get_posts( [
	  'post_type'            => 'product',
	  'ignore_sticky_posts'  => 1,
	  'posts_per_page'       => 4,
	  'post__not_in'         => [$product_id],
	  'tax_query'            => [
		'relation' => 'AND',
		[
		  'taxonomy' => $taxonomy,
		  'field'    => 'slug',
		  'terms'    => $term_slugs
		],
		[
		  'taxonomy' => 'product_cat',
		  'field'    => 'id',
		  'terms'    => wc_get_product_term_ids( $product_id, 'product_cat' ),
		]
	  ],
	  'fields'  => 'ids',
	  'orderby' => 'rand',
	]
  );
  return count($posts_ids) > 0 ? $posts_ids : $related_posts;
}