slapos_subscription_request: invert source_project/destination_project

master/bt5/slapos_subscription_request/SkinTemplateItem/portal_skins/slapos_subscription_request/Resource_createSubscriptionRequest.py

@@ -10,13 +10,15 @@ trade_condition_type = None
 item = None
 
 if resource.getPortalType() == "Software Product":
-  destination_project_value = project_value
+  source_project_value = project_value
+
   trade_condition_type = "instance_tree"
 elif resource.getPortalType() == "Service":
   if resource.getRelativeUrl() == "service_module/slapos_compute_node_subscription":
     if project_value is None:
       raise AssertionError('A project is required for %s %s' % (resource.getRelativeUrl(), project_value))
-    source_project_value = project_value
+    destination_project_value = project_value
+
     trade_condition_type = "compute_node"
   elif resource.getRelativeUrl() == "service_module/slapos_virtual_master_subscription":
     if project_value is None: