Persistence cursor shouldn't be registered to be reset on collapse

If checkpoints are collapsed we shouldn't put the cursor back into
the collapsed checkpoint.

Change-Id: I059a3833defe05cb2218dcb677e732a532511801
Reviewed-on: http://review.couchbase.org/41558
Reviewed-by: Chiyoung Seo <chiyoung@couchbase.com>
Tested-by: Michael Wiederhold <mike@couchbase.com>