### _Why are the changes needed?_
close https://github.com/apache/incubator-kyuubi/issues/3449, this pr aims to change `kyuubi.server.info.provider` default value to "ENGINE", and modify corresponding tests.
### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible
- [ ] Add screenshots for manual tests if appropriate
- [ ] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request
Closes#3476 from Yikf/default-server-info.
Closes#3449
bc474d3b [Cheng Pan] Update docs/deployment/migration-guide.md
23e7690e [yikf] Change default server info provider to ENGINE
Lead-authored-by: yikf <yikaifei1@gmail.com>
Co-authored-by: Cheng Pan <pan3793@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>