[postgres] fix when backfill will scan all table schame which match config

[hql0312]

copy pr https://github.com/apache/flink-cdc/pull/3979

[hql0312]

@joyCurry30 i add new pr from https://github.com/apache/flink-cdc/pull/3979

[hql0312]

@leonardBang how to fix the CI test, the code which have problem is not changed by me

[leonardBang]

@leonardBang how to fix the CI test, the code which have problem is not changed by me

you can try to rebase to latest master to fix the failed ci tests

[github-actions[bot]]

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