Fixed compile warnings.

[kineticsystem]

Issue

https://github.com/PickNikRobotics/moveit_pro/issues/13061

Description

I fixed the following warnings

--- stderr: kinova_vision                                                                             
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp: In member function ‘bool ros_kortex_vision::Vision::start()’:
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp:266:14: warning: enumeration value ‘GST_STATE_CHANGE_SUCCESS’ not handled in switch [-Wswitch]
  266 |       switch (ret)
      |              ^
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp:266:14: warning: enumeration value ‘GST_STATE_CHANGE_NO_PREROLL’ not handled in switch [-Wswitch]
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp: In member function ‘bool ros_kortex_vision::Vision::publish()’:
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp:383:24: warning: comparison of integer expressions of different signedness: ‘sensor_msgs::msg::CameraInfo_<std::allocator<void> >::_height_type’ {aka ‘unsigned int’} and ‘int’ [-Wsign-compare]
  383 |   if (cur_cinfo.height != image_height_ || cur_cinfo.width != image_width_)
      |       ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp:383:60: warning: comparison of integer expressions of different signedness: ‘sensor_msgs::msg::CameraInfo_<std::allocator<void> >::_width_type’ {aka ‘unsigned int’} and ‘int’ [-Wsign-compare]
  383 |   if (cur_cinfo.height != image_height_ || cur_cinfo.width != image_width_)
      |                                            ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp: In member function ‘bool ros_kortex_vision::Vision::start()’:
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp:276:5: warning: this statement may fall through [-Wimplicit-fallthrough=]
  276 |     }
      |     ^
/home/parallels/user_ws/src/external_dependencies/ros2_kortex_vision/src/vision.cpp:278:5: note: here
  278 |     case GST_STATE_CHANGE_SUCCESS:
      |     ^~~~
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