RT#1184659: only printing out blocks that have content

templates/blocks/block.html.twig

@@ -37,16 +37,18 @@
   {{ attach_library('uw_theme_admin/uw_layout_builder') }}
 {% endif %}
 
-<div{{ attributes.addClass(classes) }}>
-  {% if admin_label %}
-    <div class="uw-admin-label">{{ admin_label }}</div>
-  {% endif %}
-  {{ title_prefix }}
-  {% if label %}
-    <h2{{ title_attributes }}>{{ label }}</h2>
-  {% endif %}
-  {{ title_suffix }}
-  {% block content %}
-    {{ content }}
-  {% endblock %}
-</div>
+{% if content %}
+  <div{{ attributes.addClass(classes) }}>
+    {% if admin_label %}
+      <div class="uw-admin-label">{{ admin_label }}</div>
+    {% endif %}
+    {{ title_prefix }}
+    {% if label %}
+      <h2{{ title_attributes }}>{{ label }}</h2>
+    {% endif %}
+    {{ title_suffix }}
+    {% block content %}
+      {{ content }}
+    {% endblock %}
+  </div>
+{% endif %}