sink(ticdc): fix incorrect sanitize

[wk989898]

What problem does this PR solve?

Issue Number: close #11727

What is changed and how it works?

PingCAP-QE/ci#3208 cause this issue, and we have to revert #11649.
After this pr,an invalid character is replaced by a replacementChar.

Check List

Tests

• Unit test
• Integration test

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

`None`.

[3AceShowHand]

/check-issue-triage-complete

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 3AceShowHand, CharlesCheung96

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• OWNERS [3AceShowHand,CharlesCheung96]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-11-07 06:25:28.249049615 +0000 UTC m=+1108641.088205154: ☑️ agreed by 3AceShowHand.
• 2024-11-07 06:39:42.969650226 +0000 UTC m=+1109495.808805765: ☑️ agreed by CharlesCheung96.

[wk989898]

/retest

[wk989898]

/retest

[ti-chi-bot]

@wk989898: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-cdc-integration-kafka-test	7ac2176	link	true	/test cdc-integration-kafka-test

Full PR test history. Your PR dashboard.

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 55.1839%. Comparing base (1da37a2) to head (7ac2176).
Report is 1 commits behind head on master.

Additional details and impacted files

Components	Coverage Δ
cdc	59.6412% <0.0000%> (+0.0083%)	⬆️
dm	50.1097% <ø> (+0.0654%)	⬆️
engine	53.2505% <ø> (+0.0225%)	⬆️

Flag	Coverage Δ
unit	55.1839% <0.0000%> (+0.0317%)	⬆️

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

@@               Coverage Diff                @@
##             master     #11728        +/-   ##
================================================
+ Coverage   55.1522%   55.1839%   +0.0317%     
================================================
  Files          1001       1001                
  Lines        136524     136518         -6     
================================================
+ Hits          75296      75336        +40     
+ Misses        55718      55681        -37     
+ Partials       5510       5501         -9     

[wk989898]

/cherry-pick release-8.1

[ti-chi-bot]

@wk989898: cannot cherry-pick an unmerged PR.

In response to this:

/cherry-pick release-8.1

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