LU-17172 lov: include FID in some lov asserts

LU-17172 lov: include FID in some lov asserts

Include the file FID in the assertions in lov_entry() and
lov_mirror_entry(). Use these two functions more consistently in the
lov layer.

Signed-off-by: John L. Hammond <jhammond@whamcloud.com>
Change-Id: I65978fe409842289c158021fb1b8042916d90e23
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/52602
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>