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### _Why are the changes needed?_
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As the Spark driver may launch from another node, when we start the Kyuubi server with an embedded zookeeper and bind the frontend address to `0.0.0.0`, the backend engine can't register correctly.
This pr changes the default behavior of `kyuubi.zookeeper.embedded.client.port.address`, creates the default zookeeper address with local hostname instead of falling back to `kyuubi.frontend.bind.host`.
### _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.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request
Closes#1004 from cfmcgrady/fallback-address.
Closes#1004
99f0a143 [Fu Chen] fix test
5e66c5f0 [Fu Chen] create default zk address instead of fall back to frontend bind address
Authored-by: Fu Chen <cfmcgrady@gmail.com>
Signed-off-by: Kent Yao <yao@apache.org>
f43c78d216