Issue related to zed_obj_det_sub_tutorial.cpp

[pricejiang]

In zed-ros-examples/tutorials/zed_obj_det_sub_tutorial/src/zed_obj_det_sub_tutorial.cpp at line 47, I assume it shoud be << msg->objects[i].position.y << ","

[Myzhar]

@pricejiang thank you for reporting. Just fixed it