HPCC-10130 - Set accessedTime for all files

Previously only persist updated accessedTime

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Merge pull request #4990 from jakesmith/hpcc-10130b

HPCC-10130 - Set accessedTime for all files

Reviewed-By: Gavin Halliday <gavin.halliday@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>