Uniformize polygon parameter type between costmap footprint and collision monitor #3959
Description
Feature request
Feature description
Uniformize polygon parameter type between costmap footprint and collision monitor.
- Costmap example: https://github.com/ros-planning/navigation2/blob/e066ed1dee18daad2c6a95a49e5db4fc6407f77e/nav2_costmap_2d/launch/example_params.yaml#L35
- Collision monitor example: https://github.com/ros-planning/navigation2/blob/e066ed1dee18daad2c6a95a49e5db4fc6407f77e/nav2_collision_monitor/params/collision_monitor_params.yaml#L20