[Bug][chunjun-connectors] jdbc's properties not work where jdbc's reader has set properties

[AliceXiaoLu]

…der has set properties

Purpose of this pull request

Which issue you fix

Fixes # (issue).

Checklist:

• [ ] I have executed the 'mvn spotless:apply' command to format my code.
• [ ] I have a meaningful commit message (including the issue id, the template of commit message is '[label-type-#issue-id][fixed-module] a meaningful commit message.')
• [ ] I have performed a self-review of my own code.
• [ ] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [ ] I have added tests that prove my fix is effective or that my feature works.
• [ ] New and existing unit tests pass locally with my changes.
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[AliceXiaoLu]

@chenzhuangjia fix this--https://github.com/DTStack/chunjun/pull/1874

[AliceXiaoLu]

@zoudaokoulife fix this--https://github.com/DTStack/chunjun/pull/1874 , 已重新提交

[AliceXiaoLu]

@zoudaokoulife please review again, Thanks again.