[Hotfix][Zeta] Fix job crash when schema changing on multiple parallel readers

[dailai]

Purpose of this pull request

Fix the close task exception during Full incremental switching.

Does this PR introduce any user-facing change?

How was this patch tested?

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 change log that in connector document. For more details you can refer to connector-v2
  2. Update plugin-mapping.properties and add new connector information in it
  3. Update the pom file of seatunnel-dist
• Update the release-note.

[dailai]

When I used this pr(#6929) to test the schema change using multi-parallel tasks, I found that the schema change during the full incremental switch of cdc tasks would result in the following exceptions. Link #6526 #6389

[dailai]

After the modification, the tests are normal for many times. You can also see the effect in logs.

[hailin0]

The PR that caused this issue
#6389

Fix suggestion：remove this IllegalStateException and add logs

[hailin0]

LGTM