admin dashboard fixed

maybe we need another design for this page

frontend/src/components/home/HeroArticle.tsx

@@ -131,7 +131,7 @@ export function HeroArticle() {
           
           <div className="font-body text-xs uppercase tracking-wider text-muted-foreground">
             <span className="font-bold text-foreground">
-              {article.facebookShares + article.twitterShares + article.whatsappShares + article.telegramShares}
+              {(article.facebookShares || 0) + (article.twitterShares || 0) + (article.whatsappShares || 0) + (article.telegramShares || 0)}
             </span> shares
           </div>
         </div>