[ONOS-6509] Fix incorrect state of VPLS

Change-Id: I709d499d6108676fcc634acf6e1592c5249f1c17
diff --git a/apps/vpls/src/main/java/org/onosproject/vpls/api/VplsData.java b/apps/vpls/src/main/java/org/onosproject/vpls/api/VplsData.java
index bba9d78..5e013d0 100644
--- a/apps/vpls/src/main/java/org/onosproject/vpls/api/VplsData.java
+++ b/apps/vpls/src/main/java/org/onosproject/vpls/api/VplsData.java
@@ -99,6 +99,7 @@
     public static VplsData of(VplsData vplsData) {
         requireNonNull(vplsData);
         VplsData vplsDataCopy = new VplsData(vplsData.name(), vplsData.encapsulationType());
+        vplsDataCopy.state(vplsData.state());
         vplsDataCopy.addInterfaces(vplsData.interfaces());
         return vplsData;
     }