br: fix pitr meta kv fail to parse in during table filter code refactor (#60023)

[ti-chi-bot]

This is an automated cherry-pick of #60023

What problem does this PR solve?

Issue Number: close #60024, close #57613

Problem Summary:

The pitr restore meta kv parsing phase has some issue regarding to writeCF value, and the pitr restore could fail

What changed and how does it work?

this PR made it exact same as the rewrite_meta_kv logic to avoid the parsing failure found in e2e test.

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.7061%. Comparing base (cbda2c9) to head (4730322).
Report is 2 commits behind head on release-9.0-beta.1.

Additional details and impacted files

@@                    Coverage Diff                     @@
##           release-9.0-beta.1     #60039        +/-   ##
==========================================================
+ Coverage             73.0799%   74.7061%   +1.6262%     
==========================================================
  Files                    1702       1718        +16     
  Lines                  470132     470276       +144     
==========================================================
+ Hits                   343572     351325      +7753     
+ Misses                 105385      97120      -8265     
- Partials                21175      21831       +656     

Flag	Coverage Δ
integration	46.3272% <100.0000%> (?)
unit	72.3701% <0.0000%> (+0.0801%)	⬆️

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

Components	Coverage Δ
dumpling	52.6910% <ø> (ø)
parser	∅ <ø> (∅)
br	62.3010% <100.0000%> (+15.0839%)	⬆️

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[Tristan1900]

/hold

[Tristan1900]

/unhold

[Tristan1900]

/approve

[Tristan1900]

/lgtm

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Leavrth, Tristan1900

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• br/OWNERS [Leavrth]

Approvers can indicate their approval by writing /approve in a comment
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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-03-17 01:36:04.140346628 +0000 UTC m=+233057.824582724: ☑️ agreed by Leavrth.
• 2025-03-17 14:39:38.22611421 +0000 UTC m=+280071.910350306: ☑️ agreed by Tristan1900.

[Tristan1900]

/retest