[KYUUBI #766] Use default zone id for start time

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### _Why are the changes needed?_
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  1. If you add a feature, you can talk about the use case of it.
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Provide a more readable time for user.

### _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

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

Closes #766 from ulysses-you/zoneid.

Closes #766

55a4c4c1 [ulysses-you] zone id

Authored-by: ulysses-you <ulyssesyou18@gmail.com>
Signed-off-by: ulysses-you <ulyssesyou18@gmail.com>
(cherry picked from commit 69d4197151)
Signed-off-by: ulysses-you <ulyssesyou18@gmail.com>

externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/KyuubiSparkUtil.scala

@@ -17,7 +17,7 @@
 
 package org.apache.kyuubi.engine.spark
 
-import java.time.Instant
+import java.time.{Instant, LocalDateTime, ZoneId}
 
 import org.apache.spark.sql.SparkSession
 
@@ -29,6 +29,7 @@ object KyuubiSparkUtil {
     val webUrl = sc.getConf.getOption(
       "spark.org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.param.PROXY_URI_BASES")
       .orElse(sc.uiWebUrl).getOrElse("")
+    // scalastyle:off line.size.limit
     s"""
        |           Spark application name: ${sc.appName}
        |                 application ID:  ${sc.applicationId}
@@ -36,7 +37,8 @@ object KyuubiSparkUtil {
        |                 master: ${sc.master}
        |                 deploy mode: ${sc.deployMode}
        |                 version: ${sc.version}
-       |           Start time: ${Instant.ofEpochMilli(sc.startTime)}
+       |           Start time: ${LocalDateTime.ofInstant(Instant.ofEpochMilli(sc.startTime), ZoneId.systemDefault)}
        |           User: ${sc.sparkUser}""".stripMargin
+    // scalastyle:on line.size.limit
   }
 }