Fix tags and categories using GetTerms

See [documentation](https://gohugo.io/templates/taxonomy-templates/#display-a-single-piece-of-contents-taxonomies)

layouts/partials/widget/tag-cloud.html

@@ -1,5 +1,3 @@
-{{ $tags := .Site.Taxonomies.tags.ByCount }}
-
 <section class="widget tagCloud">
     <div class="widget-icon">
         {{ (resources.Get "icons/tag.svg").Content | safeHTML }}
@@ -7,10 +5,9 @@
     <h1 class="widget-title">{{ T "widgetTagCloudTitle" }}</h1>
 
     <div class="tagCloud-tags">
-        {{ range first .Site.Params.widgets.tagCloud.limit $tags }}
-            {{ $term := $.Site.GetPage (printf "/tags/%s" .Term) }}
-            <a href="{{ $term.Permalink }}" class="font_size_{{ .Count }}">
-                {{ $term.Title | humanize }}
+        {{ range first .Site.Params.widgets.tagCloud.limit .Site.Taxonomies.tags.ByCount }}
+            <a href="{{ .Page.Permalink }}" class="font_size_{{ .Count }}">
+                {{ .Page.Title | humanize }}
             </a>
         {{ end }}
     </div>