[improve] openmldb options

[liunaijie]

Purpose of this pull request

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 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.

[Copilot]

Pull Request Overview

This PR refactors the OpenMLDB connector options and parameters while updating the source to use CatalogTable for schema conversion. Key updates include:

• Renaming configuration classes from OpenMldbConfig to OpenMldbSourceOptions and updating references accordingly.
• Refactoring OpenMldbSource to use a constructor for initialization, converting schema to a CatalogTable, and updating the reader creation.
• Adjustments in testing to reflect the new naming conventions for configuration options.

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
seatunnel-connectors-v2/connector-openmldb/src/main/java/org/apache/seatunnel/connectors/seatunnel/openmldb/source/OpenMldbSourceFactory.java	Updated option references and added createSource method implementation.
seatunnel-connectors-v2/connector-openmldb/src/main/java/org/apache/seatunnel/connectors/seatunnel/openmldb/source/OpenMldbSource.java	Removed prepare() method and refactored schema conversion to return a CatalogTable.
seatunnel-connectors-v2/connector-openmldb/src/main/java/org/apache/seatunnel/connectors/seatunnel/openmldb/config/OpenMldbSourceOptions.java	Renamed configuration class and updated its content accordingly.
seatunnel-connectors-v2/connector-openmldb/src/main/java/org/apache/seatunnel/connectors/seatunnel/openmldb/config/OpenMldbParameters.java	Updated to work with the new SourceOptions.
seatunnel-ci-tools/src/test/java/org/apache/seatunnel/api/ConnectorOptionCheckTest.java	Removed OpenMldbSourceOptions from the whitelist as part of the name change.

Comments suppressed due to low confidence (1)

seatunnel-connectors-v2/connector-openmldb/src/main/java/org/apache/seatunnel/connectors/seatunnel/openmldb/source/OpenMldbSource.java:143

• The table name is hardcoded as "default" in the TableIdentifier. Consider making it configurable or more descriptive to better reflect the underlying data schema.

TableIdentifier.of("OpenMldb", openMldbParameters.getDatabase(), "default")