camera namespacing fix

[asainilocus]

These changes were done to fix how Orbbec uses namespacing. We were having issues on the alpha robot with Orbbec's namespacing. Sister PR for launch file is here

The topics, TFs, trigger names appear as follows.

Service name

root@apg-bench7:~/ws# ros2 service list | grep trigger
/wrist/camera/send_service_trigger

Topic names

/wrist/camera/color/camera_info
/wrist/camera/color/image_raw
/wrist/camera/color/metadata
/wrist/camera/depth/camera_info
/wrist/camera/depth/image_raw
/wrist/camera/depth/metadata
/wrist/camera/depth_registered/camera_info
/wrist/camera/depth_registered/image_rect
/wrist/depth_filter_status

TF names

root@apg-bench7:~/ws# ros2 topic echo /wrist/camera/color/image_raw --no-arr
header:
  stamp:
    sec: 1762557423
    nanosec: 396406016
  frame_id: wrist/camera_color_optical_frame