Se corrige la url de consulta de workflows, generándola con funciones de twig.

Resources/views/Workflow/show_workflow.html.twig

@@ -41,7 +41,7 @@
     </div>
     <div>
         <br />
-        <img src="http://200.50.175.17/ftth/workflows_png/{{object.getWorkflow()}}.png?nocache={{ date().timestamp }}" />
+        <img src="{{ app.request.schemeAndHttpHost ~ app.request.baseUrl }}/../workflows_png/{{object.getWorkflow()}}.png?nocache={{ date().timestamp }}" />
     </div>
     <br />
     <div>