use preserving space

themes/hugo-sustain/layouts/shortcodes/links.html

@@ -13,7 +13,7 @@
     {{- $len := (len .links) -}} <!-- amount of elements under .links -->
     {{- range $index, $element := .links -}} <!-- range over links, but keep index -->
       {{- with .href }}<a href="{{.}}" target="_blank">{{ end }}{{.text}}{{ with .href }}</a>{{end}}
-      {{- if ne (add $index 1) $len -}}, {{- end -}} <!-- only append comma if not last element (index starts with 0) -->
+      {{- if ne (add $index 1) $len -}},&#32;{{- end -}} <!-- only append comma if not last element (index starts with 0) -->
     {{- end -}}
     {{- if or (.video) (.audio) (.slides) }},{{ end -}}
     {{ with .video }}&nbsp;<a href="{{ . }}" target="_blank" aria-label="Video Recording"><i class="fas fa-video" aria-hidden="true" title="Video Recording"></i></a>{{ end }}