ONOS-7509 preserve all attributes when ensuring enabled state

- it seemed deleted flag was lost due to old code.

Change-Id: I0abb22835318f2e165bbf23fa2978b601d563be1

apps/optical-model/src/main/java/org/onosproject/net/optical/config/OpticalPortOperator.java

@@ -133,11 +133,10 @@ public final class OpticalPortOperator implements PortConfigOperator {
             // result is no-op
             return descr;
         }
-        return new DefaultPortDescription(port,
-                                          descr.isEnabled(),
-                                          descr.type(),
-                                          descr.portSpeed(),
-                                          sa);
+        return DefaultPortDescription.builder(descr)
+                .withPortNumer(port)
+                .annotations(sa)
+                .build();
     }
 
     /**

core/net/src/main/java/org/onosproject/net/device/impl/DeviceManager.java

@@ -568,11 +568,9 @@ public class DeviceManager
 
         private PortDescription ensurePortEnabledState(PortDescription desc, boolean enabled) {
             if (desc.isEnabled() != enabled) {
-                return new DefaultPortDescription(desc.portNumber(),
-                                                  enabled,
-                                                  desc.type(),
-                                                  desc.portSpeed(),
-                                                  desc.annotations());
+                return DefaultPortDescription.builder(desc)
+                        .isEnabled(enabled)
+                        .build();
             }
             return desc;
         }