ticdc: fix ddl exchange partition xxxx with validation to deal with with validation correctly

[hongyunyan]

What problem does this PR solve?

Issue Number: close #10859

What is changed and how it works?

Determine whether it is necessary to add without validation in the exchange partition.

Check List

Tests

• Manual test
  test the case mentioned in issue, and check the result in downstream db.
  

Questions

Will it cause performance regression or break compatibility?

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

Release note

Make `exchange partition` to deal with clause `with validation` correctly

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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• OWNERS [3AceShowHand,asddongmen]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-01 07:45:17.098729669 +0000 UTC m=+257178.626270212: ☑️ agreed by asddongmen.
• 2024-04-01 07:48:22.977920588 +0000 UTC m=+257364.505461129: ☑️ agreed by 3AceShowHand.

[codecov]

Codecov Report

Merging #10867 (20a1552) into master (db60e9e) will increase coverage by 0.2540%.
Report is 1 commits behind head on master.
The diff coverage is 25.0000%.

Additional details and impacted files

Components	Coverage Δ
cdc	62.3351% <25.0000%> (+0.4576%)	⬆️
dm	51.2475% <ø> (-0.0021%)	⬇️
engine	63.4232% <ø> (+0.0282%)	⬆️

Flag	Coverage Δ
unit	57.8099% <25.0000%> (+0.2540%)	⬆️

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

@@               Coverage Diff                @@
##             master     #10867        +/-   ##
================================================
+ Coverage   57.5558%   57.8099%   +0.2540%     
================================================
  Files           853        853                
  Lines        126974     127767       +793     
================================================
+ Hits          73081      73862       +781     
+ Misses        48454      48451         -3     
- Partials       5439       5454        +15     

[hongyunyan]

/retest

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #10868.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #10902.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #11008.