[Feature][seatunnel-ui]The sink's database and table support manual input

[KawYang]

Contribution Checklist

• seatunnel-ui/src/views/task/synchronization-definition/dag/configuration-form.tsx

Purpose of this pull request

The sink's database and table support manual input

Check list

• [x] Code changed are covered with tests, or it does not need tests for reason:
• [x] If any new Jar binary package adding in your PR, please add License Notice according New License Guide
• [x] If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs