[Hotfix] Fix DEFAULT TABLE problem

[EricJoy2048]

Purpose of this pull request

1. Add some log
2. When there is no table_path or database config on the source side, will use default as the database in tableschema.

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.

[hailin0]

[hailin0]

Shall we add test case?

[EricJoy2048]

Shall we add test case?

I do not know how to test this case, only from the log can know the code right.