Replace more bson_copy_to calls with bson_reserve_buffer

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    • Type: Improvement
    • Resolution: Unresolved
    • Priority: Major - P3
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    • Affects Version/s: None
    • Component/s: libmongoc, Performance
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      There are more opportunities to avoid copying replies, beyond CDRIVER-1215. E.g., mongoc_collection_find_and_modify_with_opts copies its reply to the caller-supplied bson_t pointer. Instead it could reserve space in the caller-supplied bson_t and read the server reply directly into it without copying.

            Assignee:
            Unassigned
            Reporter:
            A. Jesse Jiryu Davis
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              Created:
              Updated: