Fix self-organized project breadcrumbs

src/plainui/jinja2/plainui/project.html.j2

@@ -24,7 +24,7 @@
         </li>
       {% else %}
         <li class="breadcrumb-item">
-          <a href="{{ url("plainui:so_projects") }}?type=SoP">{{ _("SelfOrganizedProjects") }}</a>
+          <a href="{{ url("plainui:projects") }}?type=SoP">{{ _("SelfOrganizedProjects") }}</a>
         </li>
       {% endif %}
     </ol>