Add dl based listing of namespace objects with truncated names

This replaces a table that was constraining text area

autoapi/templates/dotnet/base_list.rst

@@ -3,8 +3,6 @@
 {{ object.short_name }} {{ object.type.title() }}
 {{ "=" * (object.short_name|length + object.type|length + 1) }}
 
-.. dn:{{ object.ref_type }}:: {{ object.name }}
-
 {% endblock %}
 
 {% block toc %}
@@ -24,18 +22,14 @@
 
 {% block table %}
 
-{% if object.children %}
+.. dn:{{ object.ref_type }}:: {{ object.name }}
 
-.. list-table:: Members
+{% if object.children %}
-   :widths: 20, 80
-   :header-rows: 1
 
-   * - Class
-     - Description
     {%- for item in object.children|sort %}
         {% macro render() %}{{ item.summary }}{% endmacro %}
-   * - :dn:{{ item.ref_directive }}:`{{ item.id }}`
+    {{ item.type }} :dn:{{ item.ref_directive }}:`{{ item.short_name }}`
-     - {{ render()|indent(7) }}
+        {{ render()|indent(8) }}
     {% endfor %}
 
 {% endif %}