fix: typo

Signed-off-by: badai-nguyen <dai.nguyen@tier4.jp>

autoware_launch/launch/components/tier4_perception_component.launch.xml

@@ -22,7 +22,7 @@
   <arg name="lidar_detection_model" default="centerpoint" description="If the model name is not declared, the default model in perception.launch.xml will be used"/>
   <arg name="all_traffic_light_camera" default="[camera6, camera7]" description="choose camera which use for traffic light recognition"/>
   <arg name="traffic_light_recognition/ml_detection_model_type" default="fine_detection_model" description="select ml model for TL detection: fine_detection_model or whole_image_detection_model"/>
-  <arg name="traffic_light_recognition/whole_image_detector_model_path" value="$(var data_path)"/>
+  <arg name="traffic_light_recognition/whole_image_detector_model_path" default="$(var data_path)"/>
 
   <include file="$(find-pkg-share tier4_perception_launch)/launch/perception.launch.xml">
     <!-- Options to Switch Launch Function/Module -->