MB-11060:  fixup error in finding parameters under actions

Change-Id: I026e5f2938357c78870b69798c81eadf4a1b6b90
Reviewed-on: http://review.couchbase.org/41819
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>