CaptainSim 777 Airplane sinking fix Boeing 777-300ER

A fix for preventing the CaptainSim 777-300ER airplane from sinking into the ground when using GSX or pushback operations. Make sure to replace the flight_model.cfg file in the specified directory. Note: This fix is designed for Captain Sim aircraft only and is not compatible with the Salty mod. For the Salty mod version of this fix, please visit the provided link.