ReadWriteBufferFromHTTP set right header host when redirected

[CheSema]

Changelog category (leave one):

• Bug Fix (user-visible misbehavior in an official stable release)

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

ReadWriteBufferFromHTTP set right header host when redirected

Documentation entry for user-facing changes

• Documentation is written (mandatory for new features)

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[robot-ch-test-poll1]

This is an automated comment for commit 267ebba with description of existing statuses. It's updated for the latest CI running

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Check name	Description	Status
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[CheSema]

Bug was introduced here #58845

[alexey-milovidov]

@CheSema, needs bugfix and must-backport-24.3?

[alexey-milovidov]

Needs a test.

[SmitaRKulkarni]

LGTM