LU-18461 lod: fix layout conversion.

LU-18461 lod: fix layout conversion.

lets set a lcm_id after convert.

Change-Id: I58ce52362c97bcd5f747a05ef994b2de4e69f93c
Signed-off-by: Alexey Lyashkov <alexey.lyashkov@hpe.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/57186
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>