ReplicatedPG::already_(complete|ack) should skip temp object ops

We clearly won't get dup ops on these repops, and they don't
have meaningful versions since they don't carry log
entries.

Fixes: #7682
Signed-off-by: Samuel Just <sam.just@inktank.com>
Merge pull request #1439 from ceph/wip-7682

ReplicatedPG::already_(complete|ack) should skip temp object ops

Reviewed-by: Sage Weil <sage@inktank.com>