Fix launch file to avoid launching packages for real robots during simulation

[Tiryoh]

Proposed change(s)

Update hardware_connected to joint_hardware_connected to avoid launching packages for real robots during simulation

Useful links (GitHub issues, forum threads, etc.)

• Cleanup packages and update README #40
• Update bringup launch file and URDF to support real Mini Pupper #45

Types of change(s)

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code refactor (non-breaking change which refactor the code)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update only
• Other (please describe)

Testing and Verification

Please describe the tests that you ran to verify your changes. Please also provide instructions and ROS packages as appropriate so we can reproduce the test environment.

1. checkout https://github.com/Tiryoh/mangdang_mini_pupper_ros/tree/patch-19 and run colcon build --symlink-install
2. run ros2 launch mini_pupper_gazebo gazebo.launch.py
3. run ros2 node list and see no lidar or servo specific nodes are launched

Test Configuration

Mini Pupper Version
Simulator

PC OS + ROS version
Ubuntu 22.04, ROS 2 Humble

Checklist

• I have read the CONTRIBUTING guidelines.
• I have checked to ensure there aren't other open Pull Requests for the same change.

Other comments