webui(dm): add many fix of webui (#4946)

[ti-chi-bot]

This is an automated cherry-pick of #4946

What problem does this PR solve?

Issue Number: close #4956 close #4993

What is changed and how it works?

• fix convert between taskCfg and openapi.Task in when only route/filter schema
• add many ui changes

Check List

Tests

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

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to update key monitor metrics in both TiCDC document and official document

Release note

`None`.

[ti-chi-bot]

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[Ehco1996]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: e0a652e

[Ehco1996]

/run-leak-test

[Ehco1996]

/run-leak-test