[Improvement] Catch NPE in `org.apache.uniffle.server.ShuffleTaskManager#addFinishedBlockIds`

[xianjingfeng]

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• I have searched in the issues and found no similar issues.

What would you like to be improved?

reportShuffleResult after app expired in shuffle server will throw NPE.

[ERROR] 2022-11-16 08:34:17,365 Grpc-36 ShuffleServerGrpcService reportShuffleResult - Error happened when report shuffle result for appId[application_1662640300316_225642511668556895849], shuffleId[18], taskAttemptId[58606] java.lang.NullPointerException

How should we improve?

If app expired, thrown a runtime exception with message

Are you willing to submit PR?

• Yes I am willing to submit a PR!