reducing verbosity / redirect to debug observer

source/VisionX/components/pointcloud_provider/AzureKinectPointCloudProvider/AzureKinectPointCloudProvider.cpp

@@ -661,7 +661,7 @@ namespace visionx
                 const armarx::DateTime timestamp = timestampToArmarX(body_frame.get_device_timestamp());                
 
                 std::uint32_t num_bodies = body_frame.get_num_bodies();
-                ARMARX_INFO << deactivateSpam(1) << num_bodies << " bodies are detected!";
+                setDebugObserverDatafield("n_bodies_detected", num_bodies);
 
                 std::vector<armarx::armem::human::HumanPose> humanPoses;
                 humanPoses.reserve(num_bodies);