[Persistence] Only auto-persist previously saved domain objects

platform/core/src/capabilities/PersistenceCapability.js

@@ -202,6 +202,15 @@ define(
             return this.identifierService.parse(id).getSpace();
         };
 
+        /**
+         * Check if this domain object has been persisted at some
+         * point.
+         * @returns {boolean} true if the object has been persisted
+         */
+        PersistenceCapability.prototype.persisted = function () {
+            return this.domainObject.getModel().persisted !== undefined;
+        };
+
         return PersistenceCapability;
     }
 );

platform/core/src/runs/PersistingMutationListener.js

@@ -34,7 +34,9 @@ define([], function () {
         var mutationTopic = topic('mutation');
         mutationTopic.listen(function (domainObject) {
             var persistence = domainObject.getCapability('persistence');
-            persistence.persist();
+            if (persistence.persisted()) {
+                persistence.persist();
+            }
         });
     }