Task #9678: Fix use of socket.recv in jobserver and lofarnode in case of closed connections and interrupts

Task #9678: Read POLLPRI data as well, and wait for stdout/stderr to signal partial close before calling communicate(), instead of waiting for the PID to exit

Task #9682: set aborted after runPipeline.sh as well, to avoid having to wait for the follow-up job to be scheduled in case of a graceful abort

Task #9607: automatically load task when searching for mom/otdb id which is not in scope, select loaded task and adjust scope to view the loaded task

Task #9607 #9351 #9353 #9355: merge cleanup branch into this release branch, with multi-select by group feature

Task #9607 #9351 #9353 #9355: merge cleanup branch into this release branch, with multi-select/delete feature