wip, update man-made-object templates for newer hangaa

types/crm__E22_Man-Made_Object/html.template

@@ -169,7 +169,7 @@
 
 
             <!-- RECIPIENT -->
-            {% if models.recipient|length != 0 || models.sender|length != 0 %}
+            {% if not models.recipient| null || not models.sender| null %}
             <strong>Mottaker:</strong>
             {%include "../../includes/post_sender_recipient.inc"%}
             {% endif %}
@@ -224,7 +224,7 @@
 
           <!-- KNYTTET TIL... -->
           <div class="twelve wide column lightgrey">
-            {% if models.events|length != 0 || models.collections|length != 0 %}
+            {% if not models.events| null || not models.collections | null %}
             <!-- COLLECTIONS -->
             {% if models.collections|length != 0  %}
             <span class="header">Knyttet til følgende samlinger:</span>