Provided the same treatment to the role and group forms

templates/forms/partials/input-user-name.html.twig

@@ -0,0 +1,10 @@
+{% block input_user_name %}
+{% if 'name' not in form.fields.hidden %}
+    {% if col_width %}<div class="{{col_width}}">{% endif %}
+        <div class="row">
+            {% include "forms/partials/input-user-first_name.html.twig" with { 'col_width': 'col-sm-6' } %}
+            {% include "forms/partials/input-user-last_name.html.twig" with { 'col_width': 'col-sm-6' } %}
+        </div>
+    {% if col_width %}</div>{% endif %}
+{% endif %}
+{% endblock %}