Issue Description

While using model.bulkCreate, as we pass the options, an object which contains transaction, it comes modified after the execution

What are you doing?

We have called bulk

Tarantool version: 2.6.0-73-ga33cd1bd9 (in fact from introduction of the Lua module).

How to reproduce:

tarantool> key_def = require('key_def')
tarantool> kd = key_def.new({{fieldno = 1, type = 'unsigned'}})
tarantool> kd:compare_with_key({1}, {1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
tarantool: /var/tmp/portage/dev-db/tarantool-9999/work/tarantool-9999/src/box/field_def.h:167: field_mp_type_

I used this library to test sendRawTransaction.
But I am getting this error - "transaction could not be decoded: could not recover from address: could not recover secp256k1 key: calculated Rx is larger than curve P" when I send signed transaction

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Benchmarks and features make it sound promising for our workloads. AWS runs exclusively on Intel hardware, so we'll be able to make use of the CPU-specific optimizations in Clear Linux. We'll need to verify that Pan

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