Merge branch '8.x-1.x-ISTWCMS-3831' into '8.x-1.x'

ISTWCMS-3831: Adding template for "Who's online" block

See merge request !12

templates/inline-blocks/block--inline-block--uw-cbl-whos-online.html.twig

+{% if in_layout_builder %}
+<div{{ attributes.addClass(classes) }}>
+  {{ title_prefix }}
+  {{ title_suffix }}
+{% endif %}
+  {% if label %}
+    <h2{{ title_attributes }}>{{ label }}</h2>
+  {% endif %}
+
+  {% include "@components/whos-online/whos-online.twig" with {
+    'privileged': whos_online.privileged,
+    'others': whos_online.others,
+  } %}
+
+{% if in_layout_builder %}
+</div>
+{% endif %}