[Improve][CDC] Improve cdc task state restore for zeta

[hailin0]

Purpose of this pull request

[Improve][CDC] Improve cdc task state restore for zeta

Does this PR introduce any user-facing change?

No

How was this patch tested?

Already exists

Check list

• [ ] If any new Jar binary package adding in your PR, please add License Notice according New License Guide
• [ ] If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs
• [ ] If you are contributing the connector code, please check that the following files are updated:
  1. Update plugin-mapping.properties and add new connector information in it
  2. Update the pom file of seatunnel-dist
  3. Add ci label in label-scope-conf
  4. Add e2e testcase in seatunnel-e2e
  5. Update connector plugin_config
• [ ] Update the release-note.

[hailin0]

It seem lack test case. Shall we add some? For example, read updated/deleted column data to unsupported transform/sink, what's will happen? And read table -> savepoint -> update column -> restore? I think the change will solve the problem of this scenario. But we need test case.

Added

https://github.com/apache/seatunnel/pull/7463/files#diff-56c06c7dde242a3733bec78c1d71f5a32baa3530be2c8f336e28de7e390312a8

[Carl-Zhou-CN]

@hailin0 hi, I think this part needs a design to help me understand the whole process

[hailin0]

@hailin0 hi, I think this part needs a design to help me understand the whole process

cc @Carl-Zhou-CN

https://github.com/apache/seatunnel/issues/7930

[dailai]

LGTM. cc @dailai for a look

Waiting to merge #7908

[Carl-Zhou-CN]

@hailin0 hi, I think this part needs a design to help me understand the whole process

cc @Carl-Zhou-CN

#7930

He is great