CCBC-1413: skip SELECT_BUCKET packets waiting retry queue
CCBC-1413: skip SELECT_BUCKET packets waiting retry queue

(cherry picked from commit 78931240f744583d884e0bc803ae9fe796970d11)

Change-Id: I85105fc3609e282a01e6fe3e897fd590de6f4e56
Reviewed-on: http://review.couchbase.org/c/libcouchbase/+/154929
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase