Resolve #3568651 "Batch inserts beta4"

Shiraz Dindarrequested to merge
issue/ai_vdb_provider_milvus-3568651:3568651-batch-inserts-beta4 into 1.1.x

Closes #3568651

Rebases the batch-insert work from !33 onto current 1.1.x. !33 stopped applying after 1.1.0-beta4 reworked the same filter code (#3572792, #3557314); this resolves the overlap so beta4's IN/NOT IN + identifier handling and the OR/nested-group + batch-insert changes coexist. Original commit authorship retained. Module unit tests pass (26/26).

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