slapos_panel: do not add Instance Tree for project with accounting

master/bt5/slapos_panel/ActionTemplateItem/portal_types/Project/request_slapos_instance_tree.xml

@@ -32,9 +32,7 @@
         </item>
         <item>
             <key> <string>description</string> </key>
-            <value>
-              <none/>
-            </value>
+            <value> <string>Instance Request for Project without accounting</string> </value>
         </item>
         <item>
             <key> <string>icon</string> </key>
@@ -92,7 +90,7 @@
       <dictionary>
         <item>
             <key> <string>text</string> </key>
-            <value> <string>python: context.Base_hasSlapOSProjectUserGroup(customer=True)</string> </value>
+            <value> <string>python: (context.getDestinationSection(None) is None) and (context.Base_hasSlapOSProjectUserGroup(customer=True))</string> </value>
         </item>
       </dictionary>
     </pickle>