[#1945] Improvement(server): Remove PreAllocated buffer earlier by unregisterPureEvent

[maobaolong]

What changes were proposed in this pull request?

Index PreAllocatedBufferInfo by appId, base on this, remove all PreAllocatedBufferInfos related an appId which invoked by UnregisterAppPurgeEvent handle method.

Why are the changes needed?

(Please clarify why the changes are needed. For instance,

1. If you propose a new API, clarify the use case for a new API.
2. If you fix a bug, describe the bug.)

Fix: #1945

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Test pressure test case on our test cluster.

[github-actions]

Test Results

 2 432 files   - 315   2 432 suites   - 315   6h 55m 18s ⏱️ - 2h 55m 40s
   903 tests  -  76     897 ✅  -  81   1 💤 ±0   5 ❌ + 5 
11 681 runs   - 613  11 592 ✅  - 687  15 💤 ±0  74 ❌ +74 

For more details on these failures, see this check.

Results for commit e284519. ± Comparison against base commit 457c865.

This pull request removes 76 tests.

org.apache.uniffle.test.AQERepartitionTest ‑ resultCompareTest
org.apache.uniffle.test.AQESkewedJoinTest ‑ resultCompareTest
org.apache.uniffle.test.AQESkewedJoinWithLocalOrderTest ‑ resultCompareTest
org.apache.uniffle.test.AutoAccessTest ‑ test
org.apache.uniffle.test.CombineByKeyTest ‑ combineByKeyTest
org.apache.uniffle.test.ContinuousSelectPartitionStrategyTest ‑ resultCompareTest
org.apache.uniffle.test.DynamicConfTest ‑ dynamicConfTest
org.apache.uniffle.test.DynamicFetchClientConfTest ‑ test
org.apache.uniffle.test.FailingTasksTest ‑ testFailedTasks
org.apache.uniffle.test.GetReaderTest ‑ test
…

♻️ This comment has been updated with latest results.