Method mergeProps

packages/designer/src/document/node/node.ts:849–851

* 设置多个属性值，和原有值合并

(props: IPublicTypePropsMap)

   * 设置多个属性值，和原有值合并
   */
  mergeProps(props: IPublicTypePropsMap) {
    this.props.merge(props);
  }

  /**
   * 设置多个属性值，替换原有值