Fixed Date format to match with ShortBlogPost

Author: linkdotnet

LinkDotNet.Blog.Web/Pages/BlogPostPage.razor

@@ -24,7 +24,7 @@ else
                 <header>
                     <h1>@BlogPost.Title</h1></header>
                 <div class="blogpost-date">
-                    @BlogPost.UpdatedDate
+                    @BlogPost.UpdatedDate.ToString("dd/MM/yyyy")
                 </div>
 
                 <div class="admin-action">