Hide tags section on no tags

Author: yuri1969

layouts/_partials/toc.html

@@ -20,7 +20,7 @@
 
       {{- $borderClass := "hx:mt-8 hx:border-t hx:bg-white hx:pt-8 hx:shadow-[0_-12px_16px_white] hx:dark:bg-dark hx:dark:shadow-[0_-12px_16px_#111]" -}}
 
-      {{- if site.Params.toc.displayTags -}}
+      {{- if and site.Params.toc.displayTags .Params.tags -}}
         <div class="{{ $borderClass }} hx:sticky hx:bottom-0 hx:flex hx:flex-col hx:items-start hx:gap-2 hx:border-gray-200 hx:dark:border-neutral-800 hx:contrast-more:border-t hx:contrast-more:border-neutral-400 hx:contrast-more:shadow-none hx:contrast-more:dark:border-neutral-400">
           <p class="hx:mb-1 hx:font-semibold hx:tracking-tight">{{ $tags }}</p>
           {{ partial "tags.html" . }}