ddl(ticdc): ignore ddl with schemaversion 0 (#11856)

[ti-chi-bot]

This is an automated cherry-pick of #11856

What problem does this PR solve?

Issue Number: close #11839

What is changed and how it works?

Check List

Tests

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

Questions

Will it cause performance regression or break compatibility?

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

Release note

Please refer to [Release Notes Language Style Guide](https://pingcap.github.io/tidb-dev-guide/contribute-to-tidb/release-notes-style-guide.html) to write a quality release note.

If you don't think this PR needs a release note then fill it with `None`.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-8.1@cd5e9e4). Learn more about missing BASE report.

Additional details and impacted files

Components	Coverage Δ
cdc	∅ <0.0000%> (?)
dm	51.0691% <0.0000%> (?)
engine	63.3667% <0.0000%> (?)

Flag	Coverage Δ
unit	53.8056% <ø> (?)

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@@               Coverage Diff                @@
##             release-8.1     #11922   +/-   ##
================================================
  Coverage               ?   53.8056%           
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  Files                  ?        403           
  Lines                  ?      63642           
  Branches               ?          0           
================================================
  Hits                   ?      34243           
  Misses                 ?      26709           
  Partials               ?       2690           

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: wk989898

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[ti-chi-bot]

@ti-chi-bot: 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
jenkins-ticdc/verify	b1b0ec8	link	unknown	/test verify

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