Ingest simluate should corece _version also following issue #23823

[gabriel-tessier]

Elasticsearch version (bin/elasticsearch --version): from version 6.x

Description of the problem including expected versus actual behavior:
The description and tests are in the following discuss topic.
https://discuss.elastic.co/t/integer-cannot-be-casted-to-long-bis/257799

I also found the following related issue #23823
which was closed with this pull request: #23885

Checking the code, look like the "_version" field was forgotten.

[elasticmachine]

Pinging @elastic/es-core-features (Team:Core/Features)

[gaobinlong]

Resolved by #66197.