🐛 fix: show feed icon without socials

Previously the feed icon would not display when it was the only
configured "social" option, as the containing <ul> required either
socials or email to be present.

Fixes #456

templates/partials/footer.html

@@ -8,17 +8,20 @@
     {%- set blank_target = "" -%}
 {%- endif -%}
 
+{#- Feed icon -#}
+{#- Zola 0.19.0 uses `generate_feeds`. Prior versions use `generate_feed` -#}
+{%- set generate_feed = config.generate_feeds | default(value=config.generate_feed) -%}
+{%- set feed_url = config.feed_filenames[0] | default(value=(config.feed_filename)) -%}
+{%- set should_show_feed = generate_feed and config.extra.feed_icon and feed_url -%}
+
+{%- set should_show_footer_icons = should_show_feed or config.extra.socials or config.extra.email -%}
+
 <footer>
     <section>
         <nav class="socials nav-navs">
-            {%- if config.extra.socials or config.extra.email %}
+            {%- if should_show_footer_icons -%}
                 <ul>
-                    {# Feed icon #}
-                    {# Zola 0.19.0 uses `generate_feeds`. Prior versions use `generate_feed` #}
-                    {% set generate_feed = config.generate_feeds | default(value=config.generate_feed) %}
-                    {% set feed_url = config.feed_filenames[0] | default(value=(config.feed_filename)) %}
-
-                    {%- if generate_feed and config.extra.feed_icon and feed_url -%}
+                    {%- if should_show_feed -%}
                     <li>
                         <a class="nav-links no-hover-padding social" rel="{{ rel_attributes }}" {{ blank_target }} href="{{ get_url(path=feed_url, lang=lang, trailing_slash=false) | safe }}">
                         <img loading="lazy" alt="feed" title="feed" src="{{ get_url(path='/social_icons/rss.svg') }}">