only use compression proxy on lbry.tv

ui/component/cardMedia/view.jsx

@@ -17,11 +17,19 @@ class CardMedia extends React.PureComponent<Props> {
       return <FreezeframeWrapper src={thumbnail} className={className} />;
     }
 
-    const url = thumbnail
+    let url;
+    // @if TARGET='web'
+    // Pass image urls through a compression proxy
+    url = thumbnail
       ? 'https://ext.thumbnails.lbry.com/400x,q55/' +
         // The image server will redirect if we don't remove the double slashes after http(s)
         thumbnail.replace('https://', 'https:/').replace('http://', 'http:/')
       : Placeholder;
+    // @endif
+    // @if TARGET='app'
+    url = thumbnail || Placeholder;
+    // @endif
+
     return <div style={{ backgroundImage: `url('${url.replace(/'/g, "\\'")}')` }} className={className} />;
   }
 }