add fetch priority for lazyload bypassed images to improve lcp

Author: selul

inc/tag_replacer.php

@@ -332,7 +332,7 @@ public function regular_tag_replace( $new_tag, $original_url, $new_url, $optml_a
 			}
 		}
 		// If the image is between the first images we add the fetchpriority attribute to improve the LCP.
-		if ( Optml_Tag_Replacer::$lazyload_skipped_images < self::get_skip_lazyload_limit() ) {
+		if ( self::$lazyload_skipped_images < Optml_Lazyload_Replacer::get_skip_lazyload_limit() ) {
 			if ( strpos( $new_tag, 'fetchpriority=' ) === false ) {
 				$new_tag = preg_replace( '/<img/im', $is_slashed ? '<img fetchpriority=\"high\"' : '<img fetchpriority="high"', $new_tag );
 			}