Description: Addition of Split and GSC jets into the run-3 EDM. This MR should be needed for the inclusion of b-jets into MC prods as described in ATR-20092, allowing validation of b-jet Monitoring code.
Tested with test_trigUpgr_full_menu_build.sh and checkxAOD.py on the output ESD
Jira: ATR-20092
Tagging @tamartin and @enagy
