change is_singular to is_single

pagebuilder-components/widgets/see-also-posts-list/see-also-posts-list.php

@@ -18,7 +18,7 @@ class SeeAlsoPostsList extends PostsList {
     );
   }
   function get_template_variables($instance, $args) { 
-    if (!is_singular()){
+    if (!is_single()){
        return  [
         'query' => (object) array(),
         'link'  => (object) array(),
@@ -40,7 +40,6 @@ class SeeAlsoPostsList extends PostsList {
                 'terms'    => $term_list,                                       
             ),
         ),
-        
     );
     $see_also_query = new \WP_Query($posts_query_args); 
         return [

pagebuilder-components/widgets/see-also-posts-list/tpl/template.php

 <?php
 use guaraci\images;
 $i = 0;
-if(is_singular()):
+if(is_single()):
 ?>
 <div class="posts-list <?= $css_classes ?>">
     <div class="row">