[VOL-4632] Adding NniDhcpTrapVid to support FTTB usecase

Change-Id: I405ee0d3d4bbb0c925826587f1f8704f4bebc309
diff --git a/internal/core/watcher.go b/internal/core/watcher.go
index 125edeb..ba9b5f8 100644
--- a/internal/core/watcher.go
+++ b/internal/core/watcher.go
@@ -178,6 +178,7 @@
 				IPAddress:          entry.IPAddress,
 				NasID:              entry.NasID,
 				UplinkPort:         entry.UplinkPort,
+				NniDhcpTrapVid:     entry.NniDhcpTrapVid,
 			}
 			w.store.addOlt(ctx, e)
 			continue