added service name to eds config #292

Author: nastassia-dailidava

envoy-control-core/src/main/kotlin/pl/allegro/tech/servicemesh/envoycontrol/snapshot/EnvoySnapshotFactory.kt

@@ -235,7 +235,8 @@ class EnvoySnapshotFactory(
         return if (weights != null && enabledForDependency) {
             WeightRouteSpecification(
                 clusterName,
-                routeDomains,
+                routeDomains  +
+                    listOf("$clusterName-${properties.loadBalancing.trafficSplitting.secondaryClusterPostfix}"),
                 settings,
                 weights
             )