Clone the body during backoff/retry

[pnwpedro]

Ticket(s): BT-4177

Problem

We have a bug where the backoff / retry implementation reuses a request, which is not valid.

Solution

• Refactor the implementation from a recursive one to a simple loop
• Clone the request and assign the body prior to each attempt

Result

What will change as a result of your pull request? Note that sometimes this section is unnecessary because it is self-explanatory based on the solution.

Testing

• Verified against a lower environment cluster

---

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.