Feat/migrate elasticsearch src connector (#3174)
### Description
Migrate elasticsearch connector with support for what used to be batch
ingest docs but not it support for the download step to generate
additional file data.
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Co-authored-by: ryannikolaidis <1208590+ryannikolaidis@users.noreply.github.com>
Co-authored-by: rbiseck3 <rbiseck3@users.noreply.github.com>
