fix: use organisation name from answer set if set

Resolves #90

people/templates/people/organisation/detail.html

@@ -20,7 +20,7 @@
         </ol>
     </nav>
 
-    <h1>{{ organisation.name }}</h1>
+    <h1>{{ organisation }}</h1>
 
     <hr>
 

people/templates/people/organisation/update.html

@@ -24,7 +24,7 @@
         </ol>
     </nav>
 
-    <h1>{{ organisation.name }}</h1>
+    <h1>{{ organisation }}</h1>
 
     <hr>