remove btn em details usados como extensão sem um object

sapl/templates/crud/detail.html

@@ -101,15 +101,17 @@
       {% endfor %}
     {% endblock detail_content %}
 
-    <div class="container justify-content-end d-flex">
-      <div class="actions btn-group" role="group">
-        <a href="{{ view.openapi_url }}" class="btn btn-sm btn-info py-0">
-          <small class="text-white">
-            {% trans 'OpenAPI' %}
-          </small>
-        </a>
+    {% if view.openapi_url %}
+      <div class="container justify-content-end d-flex">
+        <div class="actions btn-group" role="group">
+          <a href="{{ view.openapi_url }}" class="btn btn-sm btn-info py-0">
+            <small class="text-white">
+              {% trans 'OpenAPI' %}
+            </small>
+          </a>
+        </div>
       </div>
-    </div>
+    {% endif %}
 
 
   </div>

sapl/templates/crud/detail_detail.html

@@ -64,6 +64,7 @@
     {% endfor %}
   {% endblock detail_content %}
 
+  {% if view.openapi_url %}
   <div class="container justify-content-end d-flex">
     <div class="actions btn-group" role="group">
       <a href="{{ view.openapi_url }}" class="btn btn-sm btn-info py-0">
@@ -73,6 +74,7 @@
       </a>
     </div>
   </div>
+{% endif %}
 
   <div class="actions btn-group mb-3" role="group">
     {% if view.detail_set_create_url %}