Fix bug when drop table concurrently

[liutang123]

Proposed changes

Fix NPE when replay drop table concurently #5992

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
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• I have created an issue on (Fix NPE when replay drop table concurently #5992) and described the bug/feature there in detail
• Compiling and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
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[morningman]

Hi @liutang123 , thanks for you PR. But this is duplicate with #5973 . I will accept the previous one.