LU-16371 ldlm: clear lock converting flag on resource cleanup

LU-16371 ldlm: clear lock converting flag on resource cleanup

During resource cleanup clear lock's converting flag so that
ldlm_cli_cancel() won't erroneously trip the assertion, the assertion
is used for normal lock revoke callbacks.

Signed-off-by: Bobi Jam <bobijam@whamcloud.com>
Change-Id: I1be4d7f16dbc7e026b460fd5358a0fe509b97a59
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/49339
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Patrick Farrell <pfarrell@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>