timeline: fix dirent lookup
timeline: fix dirent lookup

Revert the prior change which was ignoring multiple files with the same
inode.

Improved the dirent lookup logic.

Signed-off-by: Matteo Cafasso <43c758619f0ced9dc5c51a50803f3466c86e4c3d@gmail.com>

noxdafox/vminspect