sink(ticdc): use admin statement to query async ddl status (#11535)

[ti-chi-bot]

This is an automated cherry-pick of #11535

What problem does this PR solve?

Issue Number: close #11521

What is changed and how it works?

• Use admin statement to query async ddl status since the original querying operation has performance issue.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
  Test result in scenarios with a large number of historical DDLs:
  

Questions

Will it cause performance regression or break compatibility?

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

• After this PR, the user need grant admin permission to TiCDC in downstream database, otherwise TiCDC will disable the optimization of sink, ddl(ticdc): support querying add index ddl in downstream #11476.
• https://github.com/pingcap/docs-cn/pull/18500/files

Release note

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CharlesCheung96

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[CharlesCheung96]

/retest