fs: dlm: let dlm_add_cb queue work after resume only

We should allow dlm_add_cb() to call queue_work() only after the
recovery queued pending for delayed lkbs. This patch will move the
switch LSFL_CB_DELAY after the delayed lkb work was processed.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>