br: fix incorrect uri for the file storage (#48453)

[ti-chi-bot]

This is an automated cherry-pick of #48453

What problem does this PR solve?

Issue Number: close #48452

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

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BornChanger, Leavrth

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Needs approval from an approver in each of these files:

• br/OWNERS [BornChanger,Leavrth]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-02-04 03:56:27.898272417 +0000 UTC m=+69913.465042292: ☑️ agreed by BornChanger.
• 2024-02-04 14:24:08.720732743 +0000 UTC m=+107574.287502632: ☑️ agreed by Leavrth.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-7.5@7181f48). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #48723   +/-   ##
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Flag	Coverage Δ
unit	71.9914% <0.0000%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
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parser	∅ <0.0000%> (?)
br	53.4144% <0.0000%> (?)