Fix hannah bug.

Web/templates/dashboard/blog_media.html.ep

@@ -30,7 +30,8 @@
             <td><img width="250px" src="<%= $media_file->{url} %>"></img></td>
             <td><%= $media_file->{markdown} %></td>
             <td>
-                <form style="margin-top: 1.5em" method="POST" action="<%= $c->url_for( 'do_dashboard_blog_media_remove', { file => $media_file->{filename} } ) %>">
+                <form style="margin-top: 1.5em" method="POST" action="<%= $c->url_for( 'do_dashboard_blog_media_remove' ) %>">
+                    <input type="hidden" name="file" value="<%= $media_file->{filename} %>">
                     <input type="hidden" name="setting" value="webroot">
                     <button type="submit" class="btn btn-sm btn-danger float-end">Delete Media File</button>
                 </form>