* EKF: add test comparison program for GPS yaw fusion equations
* EKF: convert GPS yaw fusion method to use SymPy generated equations
* Replace if/else with simple if
* EKF: fix formatting of GPS yaw fusion auto-code comparison test
* EKF: Use SparseVector type for GPS yaw fusion Jacobians
* EKF: Fix bug in GPS yaw derivation comparison check
* Add gps_yaw auto generated code file
Co-authored-by: kamilritz <kritz@ethz.ch>