:recycle: putting back type filter on sql query for by-episode

plugins/cia-endpoints/includes/class.make-sortby.php

@@ -167,7 +167,7 @@ class Make_Sort_By extends WP_REST_Controller {
             ON (wp_p2p.p2p_from = wp_posts.ID OR wp_p2p.p2p_to = wp_posts.ID) 
             LEFT JOIN wp_posts AS header 
             ON header.ID = IF(wp_posts.ID = wp_p2p.p2p_to, wp_p2p.p2p_from, wp_p2p.p2p_to) 
-            WHERE wp_posts.post_status = 'publish' 
+            WHERE wp_posts.post_type = %s AND wp_posts.post_status = 'publish' 
                 AND (wp_p2p.p2p_type = %s OR wp_p2p.p2p_type = %s) 
             ORDER BY header.post_date DESC, related_episode, wp_posts.post_date DESC",
             trim($type, 's'), $type . '_to_episodes' , 'episodes_to_' . $type,