Replace const char * with a std::array<char, TOPIC_NAME_LENGTH> as the key of IPM IDTopicMap (#671)
Replace const char * with a std::array<char, TOPIC_NAME_LENGTH> as the key of IPM IDTopicMap (#671)

Use std::array<char, TOPIC_NAME_LENGTH> and not const char * as key in IPM IDTopicMap

Signed-off-by: ivanpauno <f493a283e6aff807b3cc3b53203cbbb64f272da1@ekumenlabs.com>
ros2/rclcpp,ros2/rclcpp