[KYUUBI #1567] [Bug] Expose HADOOP_CONF_DIR to Kyuubi beeline to fix …

…"GSS initiate failed" error

### _Why are the changes needed?_
Failed to connect to kerberized Kyuubi with Kyuubi beeline.

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [x] Add screenshots for manual tests if appropriate

Before:
![image](https://user-images.githubusercontent.com/88070094/146178642-d02748f9-ba7c-4fd0-8375-d3dc1adcfdc1.png)

After:
![image](https://user-images.githubusercontent.com/88070094/146179154-c6f5b133-b533-4649-bd4f-c0c757f1e10c.png)

- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1570 from zhouyifan279/1567.

Closes #1567

1ee66b0 [zhouyifan279] [KYUUBI #1567] [Bug] Kyuubi beeline can not connect to kerberized Kyuubi

Authored-by: zhouyifan279 <zhouyifan279@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
(cherry picked from commit 6c235e5)
Signed-off-by: Cheng Pan <chengpan@apache.org>

bin/beeline

@@ -39,6 +39,6 @@ if [[ -z "$KYUUBI_BEELINE_JARS" ]]; then
   fi
 fi
 
-KYUUBI_BEELINE_CLASSPATH="${KYUUBI_BEELINE_JARS}/*:"
+KYUUBI_BEELINE_CLASSPATH="${KYUUBI_BEELINE_JARS}/*:${HADOOP_CONF_DIR}"
 
 exec ${RUNNER} ${KYUUBI_BEELINE_OPTS} -cp ${KYUUBI_BEELINE_CLASSPATH} $CLASS "$@"