🐛 fix (format_date): set `%-d %b %Y` default

Documentation was inaccurate.

templates/macros/format_date.html

@@ -32,8 +32,12 @@
     {% else %}
         {{ date | date(format="%B %Y") }}
     {% endif %}
+{% else %}
+    {% if short %}
+        {{ date | date(format="%-d %b %Y", locale=date_locale) }}
     {% else %}
         {{ date | date(format="%d %b %Y", locale=date_locale) }}
     {% endif %}
+{% endif %}
 
 {% endmacro %}