HPCC-10130 - Set accessedTime for all files

Previously only persist updated accessedTime

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Merge pull request #4956 from jakesmith/hpcc-10130

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