message: fix: always include endpoint in topic when using named topics
diff: @@ -853,9 +853,7 @@ Gateway.prototype.valueTopic = function (node, valueId, returnObject = false) {
  topic.push(node.name ? node.name : NODE_PREFIX + valueId.nodeId)
  topic.push(Constants.commandClass(valueId.commandClass))
  - if (valueId.endpoint > 0) {
  - topic.push('endpoint_' + valueId.endpoint)
  - }
  + topic.push('endpoint_' + (valueId.endpoint || 0))
  topic.push(valueId.propertyName)
  if (valueId.propertyKey) {
  