make overwriting and broadcasting work for kind:5 delete events too.

adding.go

@@ -79,10 +79,5 @@ func (rl *Relay) AddEvent(ctx context.Context, evt *nostr.Event) error {
 		}
 	}
 
-	for _, ovw := range rl.OverwriteResponseEvent {
-		ovw(ctx, evt)
-	}
-	notifyListeners(evt)
-
 	return nil
 }

handlers.go

@@ -147,6 +147,10 @@ func (rl *Relay) HandleWebsocket(w http.ResponseWriter, r *http.Request) {
 					var reason string
 					if writeErr == nil {
 						ok = true
+						for _, ovw := range rl.OverwriteResponseEvent {
+							ovw(ctx, &env.Event)
+						}
+						notifyListeners(&env.Event)
 					} else {
 						reason = writeErr.Error()
 						if strings.HasPrefix(reason, "auth-required:") {