[feature request] C++ and Python support inclusive seek

[Demogorgon314]

Search before asking

• I searched in the issues and found nothing similar.

Motivation

There are some cases in which it is useful to be able to include current
position of the message when reset of cursor was made.

Solution

Refer java client PR: #4331, #5622

Alternatives

No response

Anything else?

No response

Are you willing to submit a PR?

• I'm willing to submit a PR!

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