update apriltag launch files

launch/noop-sim-cell_ceti-table-1-emptyworld.launch

@@ -5,7 +5,7 @@
 
     <include file="$(find ccf)/launch/noop-sim_setup.launch"/>
 
-    <param name="/connector_node_ros_ccf/topics/command" value="/ceti_cell_placeworld/command"/>
+    <param name="/connector_node_ros_ccf/topics/command" value="/ceti_cell_empty/command"/>
 
     <node pkg="ccf_immersive_sorting" type="moveit_sorting_controller" name="ceti_cell_empty" output="screen">
         <param name="arm" type="string" value="arm"/>

launch/robot-cell_ceti-table-1-emptyworld.launch

@@ -11,6 +11,8 @@
         <arg name="load_gripper" value="true"/>
     </include>
 
+    <param name="/connector_node_ros_ccf/topics/command" value="/ceti_cell_empty/command"/>
+
     <node pkg="ccf_immersive_sorting" type="moveit_sorting_controller" name="ceti_cell_empty" output="screen">
         <param name="arm" type="string" value="arm"/>
         <param name="scene_observer" type="string" value="object_locator/scene/update"/>