all: prefer postfix dereference syntax

templates/gallery.html.ep

@@ -1,7 +1,7 @@
 % layout "main";
 
 <div class="flex-c-horizontal flex-c-wrap gallery">
-% for my $m (@$media) {
+% for my $m ($media->@*) {
   <%= link_to $m->{media_link} => begin %>
     <%= image $m->{media_src} %>
   <% end %>

templates/tags.html.ep

@@ -1,7 +1,7 @@
 % layout "main";
 
 <p class="text-center">
-% for my $t (@$tags) {
+% for my $t ($tags->@*) {
   <%= link_to "$t->{name} ($t->{count})" => $t->{uri} %>
 % }
 </p>