Do not show link preview card if toot has a spoiler (#1617)

* Do not show link preview card if toot has a spoiler

* == to ===

app/assets/javascripts/components/features/status/components/detailed_status.jsx

@@ -45,7 +45,7 @@ const DetailedStatus = React.createClass({
       } else {
         media = <MediaGallery sensitive={status.get('sensitive')} media={status.get('media_attachments')} height={300} onOpenMedia={this.props.onOpenMedia} autoPlayGif={this.props.autoPlayGif} />;
       }
-    } else {
+    } else if (status.get('spoiler_text').length === 0) {
       media = <CardContainer statusId={status.get('id')} />;
     }