pdutil: fix retry reusing body reader (#48312)

[ti-chi-bot]

This is an automated cherry-pick of #48312

What problem does this PR solve?

Issue Number: close #48307

Problem Summary:

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[D3Hunter]

/lgtm

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 3pointer, D3Hunter

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-06 08:06:52.873404099 +0000 UTC m=+3458810.460514243: ☑️ agreed by D3Hunter.
• 2023-11-06 08:21:49.075322987 +0000 UTC m=+3459706.662433133: ☑️ agreed by 3pointer.