Add only non-null isInstantiationTemplateExists to Models list

Change-Id: I66aae22094e507f56ac4d1249ff3e9773869382f
Issue-ID: VID-739
Signed-off-by: Ittay Stern <ittay.stern@att.com>
diff --git a/vid-app-common/src/main/java/org/onap/vid/asdc/beans/Service.java b/vid-app-common/src/main/java/org/onap/vid/asdc/beans/Service.java
index 092cfe4..f5dd5d8 100644
--- a/vid-app-common/src/main/java/org/onap/vid/asdc/beans/Service.java
+++ b/vid-app-common/src/main/java/org/onap/vid/asdc/beans/Service.java
@@ -20,6 +20,9 @@
 
 package org.onap.vid.asdc.beans;
 
+import static com.fasterxml.jackson.annotation.JsonInclude.Include.NON_NULL;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
 import java.util.Collection;
 import java.util.UUID;
 
@@ -77,6 +80,7 @@
 
     private String orchestrationType;
 
+    @JsonInclude(NON_NULL)
     private Boolean isInstantiationTemplateExists;