backend: link to /media/:media_id instead of raw image

lib/PoorBooru/Backend/Controller/Media.pm

@@ -23,6 +23,7 @@ sub list ($self)
 
 	$self->title("Pooru~");
 	my @media = map +{
+		media_link => $self->url_for("media_show", media_id => $_->{media_id}),
 		media_src  => $self->seaweed->url_for(
 			SeaweedFS::FID->from_string($_->{seaweedfs_fid})
 		),

lib/PoorBooru/Backend/Controller/Tags.pm

@@ -50,6 +50,7 @@ sub show ($self)
 
 	$self->title($res->json->{name});
 	my @media = map +{
+		media_link => $self->url_for("media_show", media_id => $_->{media_id}),
 		media_src  => $self->seaweed->url_for(
 			SeaweedFS::FID->from_string($_->{seaweedfs_fid})
 		),

templates/gallery.html.ep

@@ -2,7 +2,7 @@
 
 <div class="flex-c-horizontal flex-c-wrap gallery">
 % for my $m (@$media) {
-  <%= link_to $m->{media_src} => begin %>
+  <%= link_to $m->{media_link} => begin %>
     <%= image $m->{media_src} %>
   <% end %>
 % }