change block personcontent to content more consistent with other templates and less need for if-statements

src/Bundle/ChillDocStoreBundle/Resources/views/PersonDocument/show.html.twig

@@ -27,7 +27,7 @@
     {{ encore_entry_script_tags('mod_async_upload') }}
 {% endblock %}
 
-{% block personcontent %}
+{% block content %}
     <h1>{{ 'Document %title%' | trans({ '%title%': document.title }) }}</h1>
 
     {{ mm.mimeIcon(document.object.type) }}