fixed get camera params

orbbec_camera/include/orbbec_camera/ob_camera_node.h

@@ -143,6 +143,10 @@ class OBCameraNode {
 
   std::optional<OBCameraParam> findDefaultCameraParam();
 
+  std::optional<OBCameraParam> getDepthCameraParam();
+
+  std::optional<OBCameraParam> getColorCameraParam();
+
   void getExposureCallback(const std::shared_ptr<GetInt32::Request>& request,
                            std::shared_ptr<GetInt32::Response>& response,
                            const stream_index_pair& stream_index);

orbbec_camera/include/orbbec_camera/ob_camera_node_factory.h

@@ -52,6 +52,7 @@ class OBCameraNodeFactory : public rclcpp::Node {
   std::atomic_bool is_alive_{false};
   std::atomic_bool device_connected_{false};
   std::string serial_number_;
+  std::string device_unique_id_;
   std::shared_ptr<Parameters> parameters_ = nullptr;
   std::shared_ptr<std::thread> query_thread_ = nullptr;
   std::recursive_mutex device_lock_;