Don't include deleted or empty articles in list

nostr.ts

@@ -61,9 +61,12 @@ export async function fetchArticlesByAuthor(
   }]) as NostrEvent[];
 
   const articles = events.map((a) => new Article(a));
-  const sortedArticles = articles.sort((a, b) => b.publishedAt - a.publishedAt);
-  // The limit seems to apply per relay, not per pool query
-  return sortedArticles.slice(0, limit);
+
+  return articles
+    .filter((a) => !a.isDeleted)
+    .filter((a) => a.content.trim() !== "")
+    .sort((a, b) => b.publishedAt - a.publishedAt)
+    .slice(0, limit); // The limit seems to apply per relay, not per pool query
 }
 
 export async function fetchProfileEvent(pubkey: string) {