fix a condition of Organisation_view/my_default_email_url_string so that only...

fix a condition of Organisation_view/my_default_email_url_string so that only one email field is displayed on a new Organisation document.
same as 310356dd.

bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/Organisation_view/my_default_email_url_string.xml

@@ -107,7 +107,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>python: here.getDefaultEmail().isDetailed()</string> </value>
+            <value> <string>python:here.hasDefaultEmail() and here.getDefaultEmail().isDetailed()</string> </value>
         </item>
       </dictionary>
     </pickle>

bt5/erp5_base/bt/revision

-1008
+1009
\ No newline at end of file