Fixed nav2 viz command.

Author: tonybaltovski

docs_versioned_docs/version-ros2jazzy/ros/tutorials/navigation_demos/nav2.mdx

@@ -100,7 +100,7 @@ ros2 launch clearpath_nav2_demos slam.launch.py scan_topic:=/a300_0000/sensors/l
 
 **4.** Start Rviz to view the map by running
 ```bash
-ros2 launch clearpath_viz view_navigation namespace:=/a300_0000 use_sim_time:=true
+ros2 launch clearpath_viz view_navigation.launch.py namespace:=/a300_0000 use_sim_time:=true
 ```
 
 **5.** Drive the robot around manually, or by sending it 2D nav goals.