Show youtube thumbnails in cards

Remove category check to display YouTube thumbnails on NewsCard, enabling imageUrl rendering for all articles (including YouTube) in listing cards.

X-Lovable-Edit-ID: edt-93a85977-101b-436b-b16a-f12cd0d29370

src/components/NewsCard.tsx

@@ -128,7 +128,7 @@ const NewsCard = ({
       
       <CardContent className="space-y-4" onClick={handleCardClick}>
         <div className="space-y-3">
-          {news.imageUrl && news.category !== 'youtube' && (
+          {news.imageUrl && (
             <div className="w-full">
               <img
                 src={news.imageUrl}