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[ZEPPELIN-5798] Add multiline sql statement support for Livy Spark SQL interpreter

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### What is this PR for? 1. Add multiline sql statement support for Livy Spark SQL interpreter 2. [Bug Fix](https://github.com/apache/zeppelin/pull/4443#issuecomment-1214710538) 3. [Bug Fix](https://github.com/apache/zeppelin/pull/4443#discussion_r945385230) ### What type of PR is it?...