In gen_initial_workspace/script_initial_workspace.sh, before anything else is done, it is checked if $CONFDATA/ID_FLIPPEDSWI.txt has been created, and if not, a serial computation is called to create this file with ./gen_FLIPPEDSWI/script_FLIPPEDSWI_serial.sh. However, the script is called directly without switching directories, resulting in a failure to find ./script_FLIPPEDSWI_subject.sh when called within script_FLIPPEDSWI_serial.sh
This PR adds the needed change of directories to let this run.