Ignore ack and notification counts if notifications are blocked by the device (#27570)

* Ignore performance counts if notifications are blocked by the device

* Change the endpoint to allow more information

* Add tests and API description

* Remove wrong test

* Address feedback

* Only update the cache when there is no error

* Follow same casing as other props

* use one single endpoint

* Fix tests

* Fix i18n

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/app/notification_push.go

@@ -218,7 +218,10 @@ func (a *App) sendPushNotificationToAllSessions(rctx request.CTX, msg *model.Pus
 		}
 
 		if msg.Type == model.PushTypeMessage {
-			a.CountNotification(model.NotificationTypePush, tmpMessage.Platform)
+			// If we are ignoring the ack, we don't count the send
+			if session.Props[model.SessionPropDeviceNotificationDisabled] != "true" {
+				a.CountNotification(model.NotificationTypePush, tmpMessage.Platform)
+			}
 		}
 	}