[Improve][Connector-v2] Optimize the way of databases and tables are checked for existence

[dailai]

Purpose of this pull request

1. Changed the way about all jdbc catalogs checked for the db or table exists. This is because the original method of checking whether a table exists is to simply list all the tables and then check whether all the table names contain the given table name, which can be a performance problem.

2. In addition to the above issues, in mysql, it is not possible to create tables with the same table name in different case in default, which can lead to errors like the following

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]

1. Mysql

2. Oracle

3. Postgresql

4. Sqlserver

In addition, org.apache.seatunnel.connectors.seatunnel.jdbc.AbstractJdbcIT#testCatalog will verify related e2e case.

[hailin0]

Thanks，can you change all catalogs?

https://github.com/apache/seatunnel/tree/dev/seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog

[dailai]

Thanks，can you change all catalogs?

https://github.com/apache/seatunnel/tree/dev/seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog

done