[fix](Nereids) fix QueryProcessor cannot be cast to class LoadProcessor

[924060929]

What problem does this PR solve?

fix QueryProcessor cannot be cast to class LoadProcessor, introduced by #41730

Problem Summary:

sql: any select statement

it only meet when open debug log, so I can not write a test

2024-11-12 08:15:52,266 WARN (mysql-nio-pool-0|206) [ConnectProcessor.handleQueryException():480] Process one query failed because unknown reason: 
java.lang.ClassCastException: class org.apache.doris.qe.runtime.QueryProcessor cannot be cast to class org.apache.doris.qe.runtime.LoadProcessor (org.apache.doris.qe.runtime.QueryProcessor and org.apache.doris.qe.runtime.LoadProcessor are in unnamed module of loader 'app')
	at org.apache.doris.qe.CoordinatorContext.asLoadProcessor(CoordinatorContext.java:262) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.NereidsCoordinator.getJobId(NereidsCoordinator.java:202) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.QeProcessorImpl.registerQuery(QeProcessorImpl.java:116) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.StmtExecutor.executeAndSendResult(StmtExecutor.java:1925) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.StmtExecutor.handleQueryStmt(StmtExecutor.java:1897) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.StmtExecutor.handleQueryWithRetry(StmtExecutor.java:901) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.StmtExecutor.executeByNereids(StmtExecutor.java:833) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:605) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.StmtExecutor.queryRetry(StmtExecutor.java:568) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:558) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.ConnectProcessor.executeQuery(ConnectProcessor.java:340) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.ConnectProcessor.handleQuery(ConnectProcessor.java:243) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.MysqlConnectProcessor.handleQuery(MysqlConnectProcessor.java:209) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.MysqlConnectProcessor.dispatch(MysqlConnectProcessor.java:237) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.qe.MysqlConnectProcessor.processOnce(MysqlConnectProcessor.java:414) ~[doris-fe.jar:1.2-SNAPSHOT]
	at org.apache.doris.mysql.ReadListener.lambda$handleEvent$0(ReadListener.java:52) ~[doris-fe.jar:1.2-SNAPSHOT]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
	at java.lang.Thread.run(Thread.java:840) ~[?:?] 

None

Check List (For Author)

• Test

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  • Manual test (add detailed scripts or steps below)
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    • This is a refactor/code format and no logic has been changed.
    • Previous test can cover this change.
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    • Other reason

• Behavior changed:

  • No.
  • Yes.

• Does this need documentation?

  • No.
  • Yes.

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• Confirm the release note
• Confirm test cases
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[924060929]

run buildall

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