fix #1065, trajectoryReport magneticField is always set according to the undulator type selected.
fix #1065, trajectoryReport magneticField is always set according to the undulator type selected.

radiasoft/sirepo,mrakitin/sirepo,mkeilman/sirepo,radiasoft/sirepo,mrakitin/sirepo,radiasoft/sirepo,radiasoft/sirepo,mkeilman/sirepo,mkeilman/sirepo,mrakitin/sirepo,mkeilman/sirepo,mrakitin/sirepo,radiasoft/sirepo