optionally enable dynamics monitoring in move_group node
optionally enable dynamics monitoring in move_group node

Without this copies of the current robot state will not include velocities/efforts
even when the driver publishes them. Disabling this by default still makes sense
because many use-cases do not need this information at all and copying it in every joint state update
incurs additional load.

ros-planning/moveit,ros-planning/moveit,ros-planning/moveit,ros-planning/moveit,ros-planning/moveit