[#1546] morph/event: Export NotificationHandlerInfo fields

Hiding them achieves nothing, as the struct has no methods and is not
used concurrently.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

pkg/innerring/processors/governance/processor.go

@@ -157,12 +157,14 @@ func New(p *Params) (*Processor, error) {
 
 // ListenerNotificationHandlers for the 'event.Listener' event producer.
 func (gp *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
-	var hi event.NotificationHandlerInfo
-	hi.SetScriptHash(gp.designate)
-	hi.SetType(event.TypeFromString(native.DesignationEventName))
-	hi.SetParser(rolemanagement.ParseDesignate)
-	hi.AddHandler(gp.HandleAlphabetSync)
-	return []event.NotificationHandlerInfo{hi}
+	return []event.NotificationHandlerInfo{
+		{
+			Contract: gp.designate,
+			Type:     event.TypeFromString(native.DesignationEventName),
+			Parser:   rolemanagement.ParseDesignate,
+			Handlers: []event.Handler{gp.HandleAlphabetSync},
+		},
+	}
 }
 
 // ListenerNotaryParsers for the 'event.Listener' event producer.