[KYUUBI apache#5035] Spark engine session page display session end ti…

…me and duration

### _Why are the changes needed?_
close apache#5035

### _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
![image](https://github.com/apache/kyuubi/assets/18713676/502b489f-6cbd-4510-a89c-b7816b3e15bf)
- [x] [Run test](https://kyuubi.readthedocs.io/en/master/contributing/code/testing.html#running-tests) locally before make a pull request

Closes apache#5038 from lsm1/features/kyuubi_5035.

Closes apache#5035

9ee06f1 [senmiaoliu] fix style
c68fd65 [senmiaoliu] fix style
5d3d869 [senmiaoliu] show session end time

Authored-by: senmiaoliu <senmiaoliu@trip.com>
Signed-off-by: liangbowen <liangbowen@gf.com.cn>

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

@@ -78,8 +78,18 @@ case class EngineSessionPage(parent: EngineTab)
         <h4>
           User {sessionStat.username},
           IP {sessionStat.ip},
-          Server {sessionStat.serverIp},
+          Server {sessionStat.serverIp}
+        </h4> ++
+        <h4>
           Session created at {formatDate(sessionStat.startTime)},
+          {
+          if (sessionStat.endTime > 0) {
+            s"""
+               | ended at ${formatDate(sessionStat.endTime)},
+               | after ${formatDuration(sessionStat.duration)}.
+               |""".stripMargin
+          }
+        }
           Total run {sessionStat.totalOperations} SQL
         </h4> ++
         sessionPropertiesTable ++