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## What does this PR do?

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fix some error

new implement of map chunk can not pass all of the unit test in the
org.apache.fury.serializer.collection.MapSerializersTest


![image](https://github.com/user-attachments/assets/2af5978d-2ebc-4ad9-9ac2-f90511ed5c59)

![image](https://github.com/user-attachments/assets/edc08cc4-495f-4cbe-9f48-0b8e5bcef10e)
I found an error in line 298 of the AbstractMapSequencer file
## Related issues

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## Does this PR introduce any user-facing change?
none
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- [ ] Does this PR introduce any public API change?
- [ ] Does this PR introduce any binary protocol compatibility change?

## Benchmark
none
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Co-authored-by: hening <[email protected]>