message: CHANGE: Switch Launch file to new URDF
diff: <group ns="$(arg arm_id)">
  <param name="robot_description"
  - command="xacro $(find franka_sim_description)/robots/panda.urdf.xacro
  - arm_id:=$(arg arm_id)
  - connected_to:=world
  - use_franka_transmissions:=true
  - use_gripper:=$(arg use_gripper)">
  + command="xacro $(find franka_description)/robots/panda_arm.urdf.xacro
  + gazebo:=true
  + hand:=$(arg use_gripper)
  + arm_id:=$(arg arm_id)">
  </param>
  <rosparam file="$(find franka_control)/config/franka_control_node.yaml" />
  