Merge pull request #4352 from prisma/fix-subscription-termination

fix subscription termination

Author: mavilein

server/servers/subscriptions/src/main/scala/com/prisma/subscriptions/protocol/SubscriptionSessionActor.scala

@@ -1,6 +1,6 @@
 package com.prisma.subscriptions.protocol
 
-import akka.actor.{Actor, ActorRef, Stash}
+import akka.actor.{Actor, ActorRef, PoisonPill, Stash}
 import com.prisma.akkautil.{LogUnhandled, LogUnhandledExceptions}
 import com.prisma.api.ApiMetrics
 import com.prisma.jwt.Auth
@@ -108,6 +108,9 @@ case class SubscriptionSessionActor(
     case GqlStop(id) =>
       subscriptionsManager ! EndSubscription(id, sessionId, projectId)
 
+    case GqlConnectionTerminate =>
+      context.parent ! PoisonPill
+
     case _: CreateSubscriptionSucceeded =>
     // NOOP