branch-4.0: [fix](nereids) fix copy into load orc/parquet format fail (#57362)

[sollhui]

pick #57362

introduced by #50471

Fix copy into load orc/parquet format fail:

mysql> copy into orc_test from (select p_partkey, p_name, p_mfgr, p_brand, p_type, p_size from @regression_test_customer('copy_into/orc/part.orc') ) properties ('file.type' = 'orc', 'copy.async' = 'false');
ERROR 1105 (HY000): errCode = 2, detailMessage = Cannot invoke "String.toLowerCase()" because the return value of "java.util.Map.get(Object)" is null

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  • No need to test or manual test. Explain why:

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  - [ ] Previous test can cover this change. - [ ] No code files have been changed. - [ ] Other reason

• Behavior changed:

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  • Yes.

• Does this need documentation?

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• Confirm the release note

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What problem does this PR solve?

Issue Number: close #xxx

Related PR: #xxx

Problem Summary:

Release note

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Check List (For Author)

• Test

  • Regression test
  • Unit Test
  • Manual test (add detailed scripts or steps below)
  • No need to test or manual test. Explain why:
    • This is a refactor/code format and no logic has been changed.
    • Previous test can cover this change.
    • No code files have been changed.
    • Other reason

• Behavior changed:

  • No.
  • Yes.

• Does this need documentation?

  • No.
  • Yes.

Check List (For Reviewer who merge this PR)

• Confirm the release note
• Confirm test cases
• Confirm document
• Add branch pick label

[sollhui]

run buildall

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PR approved by at least one committer and no changes requested.

[github-actions]

PR approved by anyone and no changes requested.