Added support for models located in all paths defined in GAZEBO_MODEL_PATH (#16214)
Added support for models located in all paths defined in GAZEBO_MODEL_PATH (#16214)

Co-authored-by: Sander Swart <87cd74a9bd7c8738b81589b37329de75b3c96a54@live.nl>
acfloria/Firmware,krbeverx/Firmware,krbeverx/Firmware,krbeverx/Firmware,krbeverx/Firmware,krbeverx/Firmware,acfloria/Firmware,acfloria/Firmware,acfloria/Firmware,acfloria/Firmware,acfloria/Firmware,krbeverx/Firmware,acfloria/Firmware,krbeverx/Firmware