* Propagate payload index schema down to shard replica set + update handler
* Configure payload indices when creating new appendable segment
* When loading segments, make sure applied payload indices match config
* Add test to assert creating new segments with payload index
* Fix unit test because the collection payload schema wasn't updated
* Add test for updating payload index configuration on segment load
* Update test documentation
* Also create payload indices in temporary snapshot segment
* do not delete extra payload index from segments
* do not delete extra payload index from segments
* fix test
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Co-authored-by: generall <andrey@vasnetsov.com>
