fix: filter out undefined search results

lib/Parser.js

@@ -66,7 +66,7 @@ class Parser {
           owner_badges: video.ownerBadges && video.ownerBadges.map((item) => item.metadataBadgeRenderer.tooltip) || 'N/A '
         }
       };
-    });
+    }).filter((video) => video !== undefined);
 
     return response;
   }