feat(tier4_perception_launch): add missing arg use_multi_channel_tracker_merger (#7705)

* feat(tier4_perception_launch): add missing arg use_multi_channel_tracker_merger

Signed-off-by: Taekjin LEE <taekjin.lee@tier4.jp>

* feat: add use_multi_channel_tracker_merger argument to simulator launch

This commit adds the `use_multi_channel_tracker_merger` argument to the simulator launch file. The argument is set to `false` by default. This change enables the use of the multi-channel tracker merger in the simulator.

Signed-off-by: Taekjin LEE <taekjin.lee@tier4.jp>

---------

Signed-off-by: Taekjin LEE <taekjin.lee@tier4.jp>
Signed-off-by: Simon Eisenmann <simon.eisenmann@driveblocks.ai>

Author: technolojin

launch/tier4_perception_launch/launch/object_recognition/tracking/tracking.launch.xml

@@ -14,6 +14,7 @@
   <arg name="mode" default="lidar" description="options: `camera_lidar_radar_fusion`, `camera_lidar_fusion`, `lidar_radar_fusion`, `lidar` or `radar`"/>
   <arg name="use_radar_tracking_fusion" default="false" description="use radar tracking fusion"/>
   <let name="use_radar_tracking_fusion" value="false" if="$(eval '&quot;$(var mode)&quot;!=&quot;camera_lidar_radar_fusion&quot;')"/>
+  <arg name="use_multi_channel_tracker_merger"/>
 
   <!-- External interface -->
   <let name="input/detection_input_channels" value="['detected_objects']"/>

launch/tier4_simulator_launch/launch/simulator.launch.xml

@@ -78,6 +78,7 @@
             <arg name="object_recognition_tracking_radar_object_tracker_node_param_path" value="$(var object_recognition_tracking_radar_object_tracker_node_param_path)"/>
             <arg name="object_recognition_tracking_object_merger_data_association_matrix_param_path" value="$(var object_recognition_tracking_object_merger_data_association_matrix_param_path)"/>
             <arg name="object_recognition_tracking_object_merger_node_param_path" value="$(var object_recognition_tracking_object_merger_node_param_path)"/>
+            <arg name="use_multi_channel_tracker_merger" value="false"/>
           </include>
         </group>
         <!-- prediction module -->