### _Why are the changes needed?_
1. this PR introduces a new configuration called `kyuubi.operation.result.arrow.timestampAsString`, when true, arrow-based rowsets will convert timestamp-type columns to strings for transmission.
2. `kyuubi.operation.result.arrow.timestampAsString` default setting to false for better transmission performance
3. the PR fixes timezone issue in arrow based result format described in #3958
### _How was this patch tested?_
- [x] 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/master/develop_tools/testing.html#running-tests) locally before make a pull request
Closes#4326 from cfmcgrady/arrow-string-ts.
Closes#4326
38c7fc9b [Fu Chen] fix style
d864db00 [Fu Chen] address comment
b714b3ee [Fu Chen] revert externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/schema/RowSet.scala
6c4eb507 [Fu Chen] minor
289b6007 [Fu Chen] timstampAsString = false by default
78b7caba [Fu Chen] fix
f5601356 [Fu Chen] debug info
b8e4b288 [Fu Chen] fix ut
87c6f9ef [Fu Chen] update docs
86f6cb73 [Fu Chen] arrow based rowset timestamp as string
Authored-by: Fu Chen <cfmcgrady@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
6bd0016fe2