Update ekf.yaml and display.launch.py

Changed ekf_node to ekf_filter_node for consistency

Author: coffinfish

sam_bot_description/config/ekf.yaml

@@ -1,5 +1,5 @@
 ### ekf config file ###
-ekf_node:
+ekf_filter_node:
     ros__parameters:
 # The frequency, in Hz, at which the filter will output a position estimate. Note that the filter will not begin
 # computation until it receives at least one message from one of the inputs. It will then run continuously at the

sam_bot_description/launch/display.launch.py

@@ -72,7 +72,7 @@ def generate_launch_description():
     robot_localization_node = Node(
         package='robot_localization',
         executable='ekf_node',
-        name='ekf_node',
+        name='ekf_filter_node',
         output='screen',
         parameters=[os.path.join(pkg_share, 'config/ekf.yaml'), {'use_sim_time': LaunchConfiguration('use_sim_time')}],
     )