Fixed ros2 node ptr destruction problem, which gives rise to finish w…

…ith unsoundly

- First insights: It seems benhcmark nodes shouldn't store the shared ptrs of ros nodes etc.
  while rclcpp::shutdown is running
  Otherwise, benchmark sometimes finishes unsoundly like below.

	[ERROR] [1713850255.212319171] [bla_bla_node.rclcpp]: Error in destruction of rcl subscription handle: Failed to delete datareader, at ./src/subscription.cpp:52, at ./src/rcl/subscription.c:184
	cannot publish data, at ./src/rmw_publish.cpp:62 during '__function__'
	Fail in delete datareader, at ./src/rmw_service.cpp:104 during '__function__'

src/scenarios/scenario_perception_pipeline.cpp

@@ -104,6 +104,13 @@ void ScenarioPerceptionPipelineFixture::SetUp(::benchmark::State& /*state*/)
 
 void ScenarioPerceptionPipelineFixture::TearDown(::benchmark::State& /*state*/)
 {
+  // Reset ros2 node shared pointers and their service, subscriber,
+  // and publisher shared ptrs etc. before rclcpp::shutdown is not run.
+  // Because move_group_interface includes private node. Additionally,
+  // Some destructors can be run once process finishes and as soon as
+  // rclcpp::shutdown() finishes its own job.
+  move_group_interface_ptr_.reset();
+  node_.reset();
 }
 
 void ScenarioPerceptionPipelineFixture::createTestCases()