[bugfix][DM] dm database, schema is database,so table no need schema

[XiaoJiang521]

Purpose of this pull request

Check list

• Code changed are covered with tests, or it does not need tests for reason:
• 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.

[hailin0]

revert

This is the correct logic, refer to
#5208
https://github.com/apache/seatunnel/actions/runs/5777293019/job/15657864458?pr=5208

[XiaoJiang521]

#5208 is update so close